Head bolt torque specs briggs and stratton

5.3 LS Head Bolt Torque Specs. To ensure the proper installation and sealing of the cylinder head on the 5.3 LS engine, it is important to follow the recommended torque specifications for the head bolts. The torque specifications are given in both foot-pounds (ft. lbs.) and Newton meters (Nm). Refer to the table below for the specific torque ...

Head bolt torque specs briggs and stratton. I am replacing the head gasket on my 12.5 HP Briggs and Stratton lawn tractor engine and can't find the head bolt torque spec nor the bolt sequence to tighten them. please help my engine model is 28t7 … read more

I'm looking for the head bolt torque specifications and valve clearance gap for a 18.5 HP Briggs and Stratton engine: Model - 3P7770, Type - 48E1, Code - 03. ... What is the head bolt torque for a 11 hp Briggs …

Have a LT1018 with 18.5 hp Briggs and Stratton. Engine 31Q777 0305E1. I need the head torque specs. Can anyone help me? Cylinder looks great. Piston a little beat up but doesn't appear broke.The head bolts are 220 inch/pounds, and the torque should be laid on in several stages just to be safe. 1) Run a tap and die set into the bolt holes and over the head bolts if there is any doubt of cleanliness. 2) On the head I recommend stages (in inch pounds) of: 40 (or hand tight) 100. 150.To properly torque the head bolts on a Briggs and Stratton engine, it is essential to follow a specific sequence. This sequence ensures that the head bolts are tightened evenly, preventing any warping or damage to the engine block. Below is the recommended torque sequence for Briggs and Stratton engines: Step. Torque (ft. lbs.) Torque (Nm) Step 1.To properly torque the head bolts on the 3.6 Pentastar engine, follow these steps: 1. Start by ensuring that the engine is cool and the vehicle is parked on a level surface. 2. Remove any components that may obstruct access to the head bolts, such as the intake manifold or valve covers. 3.What is the torque on a Briggs and Stratton twin cylinder head? 22 HP Twin-V Torque Specs, G-I Head bolt torque is 220 inch-pounds; socket size is 1/2 inch. Intake air horn torque is 45 inch-pounds; socket size is 7/16 inch. Intake manifold-to-cylinder head torque is 80 inch-pounds; socket size is a 3/8 inch. The B&S 31H777 engine has an OHV (overhead) design and a vertical PTO shaft. This engine is equipped with float type carburetor and an electronic ignition system. The B&S 31H777 engine used a paper cartridge air filter. It is equipped with an electric starter (12V). The cylinder bore is 90.6 mm (3.57 in) and the piston stroke is 77.8 mm (3.06 in). I think this is the pattern you use to tighten the bolts, and you torque the heads in three steps. 1. First step 75 INCH POUNDS. 2. Second step 150 INCH POUNDS. 3. Third step 220 INCH POUNDS. That is the final torque value for the head. Hope this helps.

fastener specifications description wrench/socket size torque alternator………………………… 1/4"…………………………..……. 20 in. lbs. (2.2nm)What is the head bolt torque for a Briggs and stratton engine model? You need to specify the engine model/ series. It could be any where from 160in lbs. to 220 in lbs. or 35 ft lbs.New to website, virtually new to auto and tractor mechanics. Our John Deere 110 has a Briggs & Stratton 19.5 HP engine. I need to replace the cylinder head because the spark plug threads are beyond repair, and I've been advised to replace the head. The problem (s): The 3/8 bolts on the valve cover and the 3/8 bolts on the head are fastened so ...SPECIFICATIONS. The Briggs and Stratton 31P777 is a 501 cc (30.6 cubic inches) single-cylinder air-cooled 4-cycle internal combustion gasoline engine, manufactured by Briggs and Stratton. The Briggs 31P777 engine has an OHV (overhead) design and a vertical PTO shaft. This engine is equipped with float type carburetor, pulse type fuel pump and ...To properly torque the head bolts on the 2008 Chevy 5.3 engine, follow these steps: 1. Start by cleaning the threads of the head bolts and the bolt holes in the engine block to ensure proper engagement. 2. Apply a small amount of engine oil to the threads of each head bolt. 3.

Torque specs 3hp Briggs and Stratton? Updated: 9/16/2023. Wiki User. ∙ 14y ago. Best Answer. Three specs are considered critical; the connecting rod cap at 110 in-lbs, the sump cover at 110 in ...Apr 10, 2020 · My engine is a Briggs & Stratton / Intek #33R877. If you need a head gasket kit I picked mine up on Amazon - https://amzn.to/2RvGvAX (affiliate) To properly torque the head bolts on a Briggs and Stratton engine, it is essential to follow a specific sequence. This sequence ensures that the head bolts are tightened evenly, preventing any warping or damage to the engine block. Below is the recommended torque sequence for Briggs and Stratton engines: Step. Torque (ft. lbs.) Torque (Nm) Step 1. What is the torque on a Briggs and Stratton twin cylinder head? 22 HP Twin-V Torque Specs, G-I Head bolt torque is 220 inch-pounds; socket size is 1/2 inch. Intake air horn torque is 45 inch-pounds; socket size is 7/16 inch. Intake manifold-to-cylinder head torque is 80 inch-pounds; socket size is a 3/8 inch.

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Briggs and Stratton 31P777 Specs: Horsepower and torque, Carburetor adjustment, Valve clearance, Oil type and capacity, Service data and tightening torqueFollow these steps to correctly torque the head bolts on a Briggs and Stratton 5HP engine: Start with bolt number 1 and torque it to 7-9 ft. lbs. (9.5-12.2 Nm) using a torque wrench. Move to bolt number 2 and torque it to 3-5 ft. lbs. (4.1-6.8 Nm). Torque bolt number 3 to 1-2 ft. lbs. (1.4-2.7 Nm).Briggs and Stratton is one of the world's largest. Briggs & Stratton 3.5HP Torque Specs; Briggs & Stratton 446777. L-Head Opposed Twin Cylinder Best Answer: 5 hp briggs If 5/16" head bolts torque 25 Ft/Lb if Commercial version with 3/8" head bolts torque to 35 Ft Lbs. In either case follow a criss. Cylinder Head Bolt Torque | Briggs & Stratton 22 HP Twin-V Torque Specs, A-B. Alternator torque is 20 inch-pounds; socket size is 1/4 inch. Armature torque is 25 inch-pounds; socket size is 5/16 inch. Back plate-to-cylinder torque is 100 inch-pounds; socket size is 3/8 inch. Blower housing torque is 80 inch-pounds; socket size is 3/8 inch. To properly torque the head bolts on a 5.4 Triton engine, follow these steps: 1. Start by cleaning the threads of the head bolts and the corresponding holes in the engine block. This will ensure accurate torque readings and prevent any debris from interfering with the tightening process. 2.

To properly torque the head bolts on your 2006 Honda Civic, follow these steps: 1. Start by cleaning the head bolt threads and the bolt holes in the engine block to ensure proper installation. 2. Apply a small amount of engine oil to the threads of each head bolt. 3.Head Bolt Torque Specifications. To ensure the proper sealing and integrity of the cylinder head, it is essential to tighten the head bolts to the correct torque specifications. The table below provides the recommended torque values for the head bolts of the 6.7 Powerstroke engine: Head Bolt. Torque Specs (ft. lbs.) Torque Specs (Nm) 1-10. 30-37.Use these Bolts!So we got a Tracker-8 Snowblower in the shop, it needs a new head gasket, so I'm installing new head bolts to go with it.This particular mode...To properly torque the head bolts on the 3.6 Pentastar engine, follow these steps: 1. Start by ensuring that the engine is cool and the vehicle is parked on a level surface. 2. Remove any components that may obstruct access to the head bolts, such as the intake manifold or valve covers. 3.What is the head bolt torque for Briggs and engine model 311777? Wiki User. ∙ 2012-05-12 21:24:01. Be notified when an answer is posted. 📣 Request Answer. 1 card.What are the torque specifications for head bolts on a Briggs and Stratton 17.5 hp model 31C707 engine? It fits a Craftsman 42" riding mower.TORQUE SPECIFICATIONS VALVE CLEARANCE BASIC MODEL SERIES OIL CAPACITY Fl. Ozs. (Liters) ARMATURE AIR GAP INCHES (mm) FLYWHEEL NUT FT. LBS. (Nm) CYLINDER HEAD IN. LBS. (Nm) CONN. ROD IN. LBS. (Nm) CRANKCASE COVER OR SUMP IN. LBS. ... For Briggs & Stratton Discount Parts Call 606-678-9623 or 606-561-4983 www.mymowerparts.com.Buy the official Briggs and Stratton Engines 5.50 Gross Torque 140 CC Engine 93J02-0086-F1 replacement - Use our model diagrams, repair help, and video tutorials to help get the job done. ... This genuine 140cc Briggs & Stratton single cylinder engine offers dependable power for your equipment needs. With a power rating of 5.50 gross torque ...Rep: 783.4k. 1.1k. 893. 2.3k. Posted: Dec 16, 2015. Options. @knuckelhead the 400000 series should be a Intek V-twin. 1. Place cylinder head gasket over alignment …15 hp briggs 28n707. Hi all new to this forum. I have to replace the connecting rod on this engine. im looking for the head torque spec's. Torque bolts in sequence, shown in illustration, and in three steps. First torque each bolt in sequence to 75 inch-pounds, second torque each bolt in sequence to 150 inch-pounds.

The Briggs and Stratton 28Q777 is a 465 cc (28.38 cu·in) single-cylinder air-cooled four-stroke internal combustion gasoline engine, manufactured by Briggs and Stratton. The B&S 28Q777 engine has an OHV (overhead valve) design and a vertical PTO shaft. This engine is equipped with float type carburetor and an electronic ignition system.

Tips on how to loosen a stuck nut or bolt using penetrating oil, a propane torch, and a pipe extension cheater bar. Watch this video to find out more. Expert Advice On Improving Yo...The most important thing with either type you use is to get as close to specs as you can and all bolts are consistent torque. torque in 3 steps, ½ torque value, ¾ torque value then full torque value. This topic is now closed to further replies. I'm replacing the head gasket on my 11 HP Briggs model 253707? What torque settings for the bolts?Torque values are derived at 2600 RPM for those engines with "rpm" called out on the label and 3060 for all others; horsepower values are derived ... Due to manufacturing and capacity limitations, Briggs & Stratton may substitute an engine of higher rated power for this engine. 12.00 12.50 13.00 13.50 14.50 14.00 15.00 16.27 16.77 17.27 17. ...Briggs and Stratton 28N707-0173-01 Exploded View parts lookup by model. Complete exploded views of all the major manufacturers. ... Bolt (Governor Control Lever) $3.85 Options Add to Cart. 791850 . Hose Clamp. Options Add to Cart. ... Cylinder Head, Rocker Cover, Intake Manifold, Oil Pump, Oil Filter; 796026 . Cylinder Head. $206.19The complete source of specification information would be your engine's repair manual (Lookup Repair Manual by Model Number ). Knowing your small engine model number also provides basic specifications such as valve settings, bore, stroke, etc. For a general guide, our Replacement Engine Catalog PDF (Large file - 38 MB) contains all of our ...Step-by-Step Guide for Head Bolt Torque Sequence. Follow these steps to correctly torque the head bolts on your Briggs and Stratton 17.5 HP engine: Start by tightening bolt number 1 to the specified torque of 220 ft. lbs. (298 Nm). Proceed to bolt number 2 and tighten it to 190 ft. lbs. (258 Nm). Continue with bolt number 3, torquing it to 210 ...To properly torque the head bolts on the 2015 GM 6.2 engine, follow these steps: 1. Start by tightening all the head bolts to 22 ft. lbs. (30 Nm) in the specified sequence. 2. Once all the bolts are initially torqued, go back and tighten them an additional 90 degrees in the specified sequence. 3.What is the Torque Specs for a 22 Hp Briggs And Stratton? The torque specs for a 22 hp Briggs and Stratton engine are as follows: The cylinder head bolts should be tightened to a torque of 40-45 Ft. Lbs., the intake manifold bolts should be torqued to 15-20 Ft. Lbs., the connecting rod cap screws should be tightened to 25-30 …

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SPECIFICATIONS. The Briggs and Stratton 31P777 is a 501 cc (30.6 cubic inches) single-cylinder air-cooled 4-cycle internal combustion gasoline engine, manufactured by Briggs and Stratton. The Briggs 31P777 engine has an OHV (overhead) design and a vertical PTO shaft. This engine is equipped with float type carburetor, pulse type fuel pump and ...Rocker Arm/Hydraulic Lifter Adjustment LS HEAD TORQUE SPECS / SEQUENCE for 4.8 5.3 5.7 6.0 6.2 7.0 ls1 ls2 ls3 ls6 An In-Depth Look at Torque Ratings on Engines with Briggs \u0026 Stratton Torque Sequence Briggs And Stratton 35 Classic Torque Settings and Coil Air Gap EP Tech Tip #3 - TorqueBought one with heads disassembled: Need head torque on 35 HP Model 613177 Water cooled. Any other torques would be appreciated. Tried online could not find the info. Tater50Head bolt torque for briggs stratton engine (PDF) briggs and stratton torque specs chart may 13 2022 when replacing an existing engine with a new one there are numerous factors to consider with your small engine specifications such as shaft extension mounting base overall fit and much more ensure you read all the instructions on the necessaryProduct Number: 590422. This Product Replaces: Usage: Briggs & Stratton screw is an OEM part used in a variety of Briggs & Stratton engines and outdoor power equipment. This screw is designed to provide a secure connection between two components and is used in a variety of applications, such as securing the carburetor to the engine block ...As of 2015, 85 percent of Briggs and Stratton engines were made in the United States, according to Briggs and Stratton. The states producing these outdoor power-equipment engines w...The Briggs and Stratton 311707 Intek is a 501 cc (30.6 cu·in) single-cylinder air-cooled four-stroke internal combustion gasoline engine, manufactured by Briggs and Stratton. The B&S 311707 engine has an OHV (overhead) design and a vertical PTO shaft. This engine is equipped with float type carburetor and an electronic ignition system. 22 HP Twin-V Torque Specs, A-B. Alternator torque is 20 inch-pounds; socket size is 1/4 inch. Armature torque is 25 inch-pounds; socket size is 5/16 inch. Back plate-to-cylinder torque is 100 inch-pounds; socket size is 3/8 inch. Blower housing torque is 80 inch-pounds; socket size is 3/8 inch. ….

The Briggs & Stratton Intek V-Twin Engine is a member of the company’s Professional Series of small engines. ... 22 HP Twin-V Torque Specs, A-B Video of the Day ... socket size is 7/16 inch. Head bolt torque is 220 inch-pounds; socket size is 1/2 inch. Intake air horn torque is 45 inch-pounds; socket size is 7/16 inch. Intake manifold-to ...Putting a new head on a Briggs&Stratton 18.5 single cylinder engine. What is the torque setting in foot pounds for the cylinder head bolts? Question 2. When the piston is at top dead center I assume t … read moreThe torque sequence for a single cylinder Briggs and Stratton engine horizontal shaft head is increments of 2's for hp and 1's for head bolts. That makes 11 head bolts for an 18 hp.Stratton engine, ...What are the torque specs for the head bolts on a 24hp briggs…@knuckelhead the 400000 series should be a Intek V-twin 1. Place cylinder head gasket over alignment dowels on cylinder block. 2. Install cylinder head assembly. Torque head bolts in sequence shown to 220 in. lbs. (25 Nm). Here is the diagram to show the pattern ...The head bolts play a vital role in securing the cylinder heads to the engine block, creating a tight seal and preventing any leaks. ARP (Automotive Racing Products) is a trusted brand known for its high-quality fasteners, including head bolts. Torque Specifications. To ensure the proper installation and performance of the Big Block Chevy ...About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...Walt 2002. 14355 posts · Joined 2006. #2 · Oct 17, 2013. I can send you a Service Manual IF you like, address below, put in proper format and remind me engine model number and what you want. Head bolt torque - "Torque bolts in the sequence shown, Fig. 20, to. 165 in. lbs. (19 Nm)." Torque in diagonal pattern. Walt Conner.The Briggs and Stratton 17.5 HP engine has a torque specification of 18.3 lb-ft at 2600 RPM (revolutions per minute). The peak power output for this engine is 37 horsepower, which can reach its maximum level at 3300 RPM. This engine also has a displacement of 0.31 liters and an oil capacity of 1 liter. The cylinder bore size is also 2 inches ... Head bolt torque specs briggs and stratton, Need torque specs for briggs and Stratton 21 HP 331877-0869-g5 on craftsman tractor.Thanks. Reply. john Jones jones says: August 19, 2022 at 10:55 am ... Hello. I am looking for head bolt torque values for Briggs and Stratton Engine Model 1502 12 0127 B8. Thank you! Reply. Dave says: July 3, 2018 at 8:41 pm., To ensure the correct torque is applied to the head bolts of your Briggs and Stratton engine, follow these steps: 1. Clean the head bolt threads and the corresponding bolt holes thoroughly to remove any dirt, debris, or old thread-locking compound. 2. Apply a small amount of engine oil or assembly lubricant to the head bolt threads for smooth ..., Repair parts and diagrams for 93J02-0167-F1 - Briggs & Stratton Vertical Engine. ... Cylinder Head Group. Exhaust Group. Flywheel, Ignition, and Starter Group. Fuel Supply Group. Recommended Parts. 692051. Solid Spark Plug, BR8ES $ 3.49. Add to Cart 593260. Air Filter Cartridge, , Advertisement Starting at $1,199 for the 13-inch base model, the MacBook Pro's price point can vary quite a bit depending on your needs [source: Apple]. There are three screen size..., Step 2: Place the push rod guide on the cylinder head and attach the mounting bolts, using a torque wrench. Coat the rocker arm stud threads with a hardening sealant and install the rocker arm studs, using a socket wrench. Note: Consult your Authorized Briggs & Stratton Dealer for the proper torque settings for the mounting bolts and studs., Torque Specifications Crankshaft Reject Size Model Series Idle Speed Armature Air Gap Valve Clearance Intake Valve Clearance ... L-HEAD ALUMINUM/CAST SLEEVE SINGLE CYLINDER 60000 1750 .006.010.005.007.007 ... FORM MS-3992-10/04 2004 BRIGGS & STRATTON CORPORATION PRINTED IN U.S.A. Title: MS3992_2004, fastener specifications description wrench/socket size torque alternator………………………… 1/4"…………………………..……. 20 in. lbs. (2.2nm), The Briggs and Stratton 281707 is a 465 cc (28.38 cu·in) single-cylinder air-cooled four-stroke internal combustion gasoline engine, manufactured by Briggs and Stratton. The B&S 281707 engine has an L-head (side valve) design, cast iron sleeve and a vertical PTO shaft. This engine is equipped with float type carburetor and an electronic ..., I stated that I torqued the head bolts to 160 in. lbs and this seems to be working fine. Yes the bolts are in fact metric I just used the 5/8 as a reference size. I reused the gaskets and they worked fine. It is a 20 hp B&S Model 351777 Type 0036-01. I may remove the rocker covers and re-torque the head bolts as directed by your post., Briggs & Stratton 17.5 HP, new short block, model 31C707, compressor release does not release on cold start only. Complete new valve. Curtis B. Technician. Associate Degree. 46,843 satisfied customers. Show more. Disclaimer: Information in questions answers, and Show Less. Disclaimer: Information in questions, answers, and other posts on this ..., Briggs and Stratton Gasket-Cylinder Head Specs Part Manufacturer: BRIGGS & STRATTON. Product Number: 693997. 693997 Manual and Additional Information. If you're unsure whether this is the right part for your needs, don't worry. We've got you covered., Apr 10, 2020 · My engine is a Briggs & Stratton / Intek #33R877. If you need a head gasket kit I picked mine up on Amazon - https://amzn.to/2RvGvAX (affiliate) , This video provides step-by-step instructions for replacing the head gasket on Briggs and Stratton small engines, commonly found in Toro riding lawn mowers. ..., Torque specifications for Briggs & Stratton engines can be found the current model’s product page on the company website. The search tool for repair manuals on BriggsandStratton.co..., Putting a new head on a Briggs&Stratton 18.5 single cylinder engine. What is the torque setting in foot pounds for the cylinder head bolts? Question 2. When the piston is at top dead center I assume t … read more, Repair parts and diagrams for 93J02-0167-F1 - Briggs & Stratton Vertical Engine. ... Cylinder Head Group. Exhaust Group. Flywheel, Ignition, and Starter Group. Fuel Supply Group. Recommended Parts. 692051. Solid Spark Plug, BR8ES $ 3.49. Add to Cart 593260. Air Filter Cartridge, Briggs and Stratton Engines Briggs & Stratton 5 HP Quantum Engines - Model Series 122K00 ... Mechanical torque control for additional power. ... Model Type: Ship Wt: Crankshaft: Crankshaft(P.T.O.) Ext: Dimension: Starter Pos Bolt-On/Changeable: Ext. Strt Rope: Governor: Controls: Fuel Tank (qt) Top Governor Spd: Notes: 122K00 : 0015: 29:, Miscellaneous Torque Specifications Cylinder Resizing Governor Lever Lock Nut: 100 In. Lbs., All Models Resize if .003" or more wear. Resize if out of round Spark Plugs: 200 In. Lbs., All Models .0025" or more for Aluminum Bore, .0015" or more for Starter Mounting Bolts: 160 In. Lbs., All Electric Start Sleeve Bore. Resize .010", .020", .030 ..., To ensure the proper torque of the head bolts on a 94 Chevy 350 engine, follow these steps: 1. Start by cleaning the threads of the head bolts and the bolt holes in the engine block to remove any dirt or debris. 2. Apply a small amount of engine oil to the threads of each head bolt. 3., In this article, we will discuss the recommended head bolt torque specifications for the Briggs and Stratton 12.5 HP engine. Head Bolt Torque Specifications. Proper torque is essential for the head bolts of the Briggs and Stratton 12.5 HP engine to ensure a secure and leak-free seal. Below, you will find a table outlining the recommended head ..., To ensure the correct torque is applied to the head bolts of your 21 hp Briggs and Stratton engine, follow these steps: 1. Start by cleaning the threads of the head bolts and the corresponding holes in the engine block to remove any dirt or debris. 2. Apply a small amount of engine oil or assembly lubricant to the threads of the head bolts., Briggs & Stratton . 08P502-0042-F1 head torque specs. Thread starter PTmowerMech; Start date Mar 29, 2020 ••• More options Export thread ... Or reading it wrong. But I can't find the head torque specs for this engine. dougand3 Well-Known Member. Joined Mar 10, 2012 Threads 12 Messages 437. Mar 29, 2020 / 08P502-0042-F1 head torque specs, Sarah Buhr speaks with Nathan Jauvtis about his company Bolt and the electric motorbikes they manufacture by hand in their San Francisco garage. Sarah Buhr speaks with Nathan Jauvt..., Here are the torque specs and sequence for each engine type: 1.0L Engine: Step 1: Tighten the bolts to 44 inch-pounds (5 Nm). Step 2: Tighten the bolts to 89 inch-pounds (10 Nm). Step 3: Tighten the bolts to 18 lb-ft (25 Nm). Torque sequence: 8 4 1 5 9 7 3 2 6 10. 1.2L Engine:, To find basic small engine specs like torque, fuel & oil type, filter or cylinder info, check out specific product pages for your snow blower , lawn mower , pressure washer , or portable generator. The complete source of specification information would be your engine's Repair Manual (Lookup Repair Manual by Model Number ). Knowing your small ... , The Briggs and Stratton 350777 Vanguard is a 570 cc (34.8 cu·in) V-twin air-cooled four-stroke internal combustion gasoline engine, manufactured by Briggs and Stratton. The B&S 350777 engine has an OHV (overhead valve) design and a vertical PTO shaft. This engine is equipped with float type, side-draft carburetor and an magneto electronic ..., The head bolts are 220 inch/pounds, and the torque should be laid on in several stages just to be safe. 1) Run a tap and die set into the bolt holes and over the head bolts if there is any doubt of cleanliness. 2) On the head I recommend stages (in inch pounds) of: 40 (or hand tight) 100. 150., Gasket-CylinderHead. PartSelect #: PS9067184. Manufacturer #: 693997. This is a replacement cylinder head gasket for your small engine. The gasket is approximately 5 inches in length and 5 inches in width at its longest and widest points. The gasket creates a seal, and ... $ 26.91. In Stock., Steps to Torque the Head Bolts. To ensure the proper torque is applied to the head bolts of your 5HP Briggs and Stratton engine, follow these steps: 1. Start by cleaning the threads of the head bolts and the corresponding holes in the engine block to remove any dirt or debris. 2., When it comes to fastening two objects together, using the correct amount of torque is crucial. A bolt torque table is a valuable tool that provides the recommended torque values f..., The Briggs and Stratton 289707 is a 465 cc (28.38 cu·in) single-cylinder air-cooled four-stroke internal combustion gasoline engine, manufactured by Briggs and Stratton. The B&S 289707 engine has an L-head (side valve) design and a vertical PTO shaft. This engine is equipped with float type carburetor and an electronic ignition system., I'm looking a little deeper into this one and I also found this bit of information: Having a block with 8 bolts, if a 1,500-pound engine burns 1,500 lb, and the cylinder heads have eight bolts will require each bolt to exert 187 foot pounds of torque each in order to secure the cylinders' heads.. Here is a form where someone breaks down the torque needed for the cylinder head bolts: https ...