Aug 3, 2010 / Briggs & Stratton 17.5 hp Twin II torque specs. #1. I have a B&S 17.5 Twin II (horizontally opposed cylinders) that I'm sorta rebuilding after the engine locked up on the upper connecting rod galled up on the crankshaft (due to low oil and a hill). I'm ready to put the thing back together, but I don't have a manual, and the place
Flywheel 70 ft lbs Head 200 in lbs Side Cover 120 in lbs ARC rod 175 in lbs Valve Cover 60 in lbs Rocker Arm set screw 70 in lbs Flywheel fan 160 in lbs 389cc engine item part no. qty. description 3 0g84420114 1 o-ring oil filler cap 11 0g84420115 1 packing, case cover item part no. qty. description 13 0g84420116 1 oil seal 15 0g84420117 1 bearing, radial ball item part no. qty. description 3 0g84420120 2 rocker arm 6 0g84420121 2 push rod 9 0g84420122 1 rotator, valve 10 0g84420123 1 retainer, ex. One thing mine had in common is that the Big Briggs 31 and 35 hp went up to a peak at 2200 rpms and then went gradually down at 3600 rpms. Briggs Vanguard 31 hp 47.3 lbs torque at 2200 rpms. Briggs Vanguard 35 hp 53 lbs torque at 2200 rpms. Kawasaki 29 44.2 lbs of torque at 2400 rpms.
Clean engine with a Gunk type product. Remove valve cover. Loosen bolts and remove old cylinder head. One bolt is located inside valve cover area. Remove old gasket and inspect and clean that surface. Attach new head with new gasket using existing bolts. Torque to 18'#s with a cross type pattern. Attach new rocker arms and push rods.
Vanguard engine : Torque specs for 18 HP Horizontal Shaft Vanguard engine : Torque specs for the 16 HP Horizontal Shaft Vanguard engine : If you are considering repowering your own equipment or having someone else repower it for you, give us a call: 1-800-618-8738 or e-mail: jim@jimsrepairjimstractors.com. We can talk over your options and let Briggs and Stratton 28N707. The Briggs and Stratton 28N707 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 28N707 engine has an OHV (overhed valve) design and a vertical PTO shaft. This engine is equipped with float type carburetor and an mU6wjf.
