NOTE:
All options quantity: for 1 bike use.
FIRST OF ALL, MAKE SURE YOU KNOW WHICH FACTORY MANUFACTURED YOUR ENGINE.
CHECK HERE.

In this page. 52 marked as A. 331 as B.

#3 M1M = CJ750 M1M clips. 4 pcs.
#4 M1M = CJ750 M1M pins. 2 pcs.
#5-8,37 M1M = CJ750 M1M pistons and rings. 1 set. 2 pistons and 2 ring sets. In High Speed pistons and rings only. 78mm.
#5-7,37 M1M = CJ750 M1M ring set. for 2 pcs pistons use. High speed only. 78mm.

#3 M1S = CJ750 M1S clips. 4 pcs.
#4 M1S = CJ750 M1S pins. 2 pcs.
#5-8,37 M1S = CJ750 M1S pistons and rings. 1 set. 2 pistons and 2 ring sets. In High Speed pistons and rings only. 78mm.
#5-7,37 M1S = CJ750 M1S ring set. for 2 pcs pistons use. High speed only. 78mm.

#1,2,9,13-16 M1M A = CJ750 M1M crank assembly 52 factory.
#1,2,9,13-16 M1M B = CJ750 M1M crank assembly 331 factory.
#1,2,9,13-16 M1S A = CJ750 M1S crank assembly 52 factory.
#1,2,9,13-16 M1S B = CJ750 M1S crank assembly 331 factory.

#11,18 = oil proof disc = 1 front 1 rear.
#19 = bearing.
#20 = gasket.
#25 = seal.
#28 = springs. 6 pcs.
#31 = clutch disc. wafer discs. 2 pcs.
#34 = screws. 6 pcs.

CRANK cannot sell separately.
Just listed the parts which customers always ask for. Other parts which not listed, you can contact us at first.

Some parts can also use on: URAL M72, DNEPR K750, BMW R71 and some similar bikes.
If the selection show 0, you can double check with me. Maybe I can find, maybe I cannot. Thanks for understand.

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