General Spacification
•Model/Type: 133230 8124 01
•Displacement: 206 cc
•Bore: 2.5615/2.5625 in.
•Stroke: 2.438
•Compression: 6.5 to 1
•Factory Timing: 22 degrees BTDC
•Recommended Oil Capacity: 16 ounces
Racing Specification
• New connecting rod with integral oil dipper and larger radius I-beam.
• New fuel tank bracket and improved tank to bracket connection (no more spot welds).
• Crankshaft with induction hardened crankpin and "slip-fit" PTO ball-bearing for wear resistance and easy cam timing.
• New oil impregnated bronze exhaust valve guide for long competition life.
• Revamped carburetor machining for uniform high- flow.
• New head gasket for torque retention and heat transfer.
• Longer high-strength head bolts for better control of head torque.
• New silicon-beaded crankcase cover gasket for oil control and torque retention.
• New upper retainer controls valve springs.
• "As Cast" block, head and crankcase cover reduces combustion deposit and debris collection on internal parts.
Engine Specification
- Outline drawings/Dimensions
- Torque/Horsepower curves
Torque Specifications
Flywheel Nut |
60 ft. lbs. |
Starter Clutch Tool |
Part No. 19244 |
Flywheel Puller Tool |
Part No. 19203 |
Flywheel Holder Tool |
Part No. 19372 |
Cylinder Head |
140 in. lbs. |
Connecting Rod |
100 in. lbs. |
Crankcase Cover |
120 in. lbs. |
Valve Clearance
Intake |
.003/.005 in. |
Exhaust |
.004/.006 in. |
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