Replacement Parts for Shift Up 12V Monkey 110cc High Revolution Bore Up Kit
Cut the shoulder of the crank web and chamfered around the web
Corn shaped racing crankshaft
The H-cross section dedicated conrod (3.5 inches (87.9 mm) is not only strong.
The small end also ensures wall thickness, and is compatible with regular high rotations.
This product can be used with SHIFTUP Monkey High Revolution 88cc Bore Up Kit
(12V car only)
2.0 x 1.6 inches (52 x 41.4 mm) strokes from 88 cc to 2.0 x 2.0 inches (52 x 52 mm) strokes 110 cc when using normal cranks.
You can increase your displacement.
The 2.0 inch (52 mm) crank instead of the crank rotation is longer than normal,
Longer con rod length and the upper dead point is equal to the normal crank.
Other important notes, the use of a normal camshaft when using a normal cylinder head.
Compared to high camshaft, the valve closing time is shorter and the compression is increased.
52mm stroke crank, with increased emissions and increased stroke.
This crankshaft allows you to enjoy the increased torque due to increased mobility.
If used with cub engines, an oil pump spindle shaft is required.