Engine/crank

Super useful crankshaft package, includes new high performance heavy duty crank (stage6), new bearings and seals (S23) , and a tube of sealant for ...

Crank seals for your 89-01 zuma, and 02-11 zuma.  It is wise to replace these if you haven't done them yet. Even the bugeye zumas are getting old e...

Case dowel pin for zuma 50 1989-2011. This is the dowel for the two case halves, not the one for the transmission cover! 

Yamaha OEM Piston Pin, 12mm for YSR50

Yamaha OEM Piston Circlip for YSR, 12mm 

Yamaha OEM Crankcase Cover 2 Gasket

Yamaha OEM Oil Seal Crankshaft Piston Zuma 50 '89-'01 20x42x8

Yamaha OEM Oil Seal Crankshaft Piston Zuma 50 '89-'11 20x30/33x6

Grab a Polini reinforced top end bearing for your next build. These fit several 10mm scoots, please verify fitment before ordering.  10mm -10x14x13

Replacement OEM quality wrist pin bearing from Naraku.  Measures 10x14x23 

Due to the increase in cost to purchase this OEM part, we have decided to stop stocking these. However we encourage you to check out some of these ...