World Formula Torque Specs
Oil Capacity: 18-20 fl. oz. (.5-.6 liters)
Armature Air Gap .006/.014 in. (.15/36mm)
Compression ratio 9.7 to 1
Factory Timing 29.5 degrees BTDC
Starter battery requirements At least 12 Volt, 8 Amp Hour Rating is Recommended
Exhaust system requirements 50 mm x 57 mm flex coupling / 50/90 2-cycle canister muffler
Fuel requirements 98 Octane (RON)
Filter specs GREEN Filter
Rev limiter specs 7100 + 50 RPM
Torque Specifications:
Flywheel nut 55 - 75 ft. lbs. (74.5 - 101 Nm)
Flywheel holder Part #19372
Starter clutch tool Part #19244
Cylinder Head 180 - 220 in. lbs. (20 - 25 Nm)
Connecting Rod 90 - 110 in. lbs. (10 - 12 Nm)
Crankcase Cover or Sump 95 - 125 in. lbs (11 - 14 Nm)
Cylinder Head Plate (Fig. 1) 70 - 90 in. lbs. (8 - 10 Nm)
Rocker Arm Stud 70 - 110 in. lbs. (8 - 12.5 Nm)
Valve Cover 30 - 60 in. lbs. (3.5-7 Nm)
Spark Plug 95 - 145 in lbs. (11-16 Nm)
Valve Lash (Cold)
Both Intake and Exhaust .005 - .007 in. (.127 - .178 mm)
• Measure when piston is between TDC or 22.76 degrees ATDC (Piston is down .103 in. or 2.62 mm)
Spark Plug 95 - 145 in lbs. (11-16 Nm)
