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LONG STROKE CRANKSHAFTS - As with our other UK crankshafts these are a race proven all English-made crankshaft (NOT a reworked Indian made crank), which uses our own competition designed forged steel connecting rod. The crankpin has a far larger diameter than the standard big end or RE13 roller version. It is a press fit into the flywheels and therefore, will not work loose as can happen on the original assembly. It uses a steel needle caged bearing. The flywheels are precision engineered from high quality steel billets with ground bores for the crankpin and main shafts. Designed with both the enthusiast and racer in mind.
570cc CRANKSHAFT: Designed for the 500cc Indian built Bullets the new stroke of this crankshaft is 103mm (Standard is 90mm), giving a new engine size of 570cc or 612cc, if used in conjunction with our 87mm forged piston (part no.: 90020). On most models this should require no modification to the crankcase, but this should be checked as crankcases can vary. With our forged piston and the fitting of a 3mm compression plate, it will give approximately 8.5:1 compression ratio.
Suitable for both electric or kickstart models.
For Indian 500cc Bullets use Part 200160A.
For Redditch 500cc Bullets WITH alternator use Part 200160E.
For Redditch 500cc Bullets WITHOUT alternator use Part 200160F.
Note: A 3mm compression plate and longer pushrods maybe required.
400cc CRANKSHAFT: Designed for the Indian built 350cc Bullets this brings the capacity to 400cc but please note that the standard long skirt piston will need shortening or alternatively use the forged, shorter skirt piston, Part 90260. The 350 is renowned for its sweeter engine over the 500. By installing a longer stroke crank you improve low and mid range torque while still giving the smoother and some would say sweeter ride of the 350. This also allows an increase in gearbox sprocket to maintain higher cruising speed without constant down changes for gradients especially if carrying luggage or a passenger.
For Indian 350cc Bullets use Part 200160J.
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