CRANK PIN 37x73.8 YFM660, PROX 06.3773.8-2, 5KM-11681-00-00

CRANK BIG END PIN 37x73.80

ProX chromed crank pins are specially designed for the application. Every ProX crank pin is machined precisely and treated to get the best hardness and properties to stand the extreme conditions where it is used for. Our 4 stroke crank pins have precision located oil canals to maximize oiling under extreme conditions.

2002 660R RAPTOR - YFM660RP CRANKSHAFT PISTON
2002 GRIZZLY 600 METALLIC SILVER - YFM660FPS CRANKSHAFT PISTON
2002 GRIZZLY 660 - YFM660FP CRANKSHAFT PISTON
2002 GRIZZLY HUNTER EDITION - YFM660FHP CRANKSHAFT PISTON

Yamaha YFM450 Kodiak (2002-2005), Yamaha YFM660 Grizzly (2002-2008), Yamaha YXR660 Rhino (2004-2007),

PROX 06.3773.8-2

Dispatch Times

Local Stock: Dispatches in < 24 hours

Parts showing as available at our Warehouse in Gorey ship the same business day if ordered before 1pm. 

Supplier Stock: Dispatches in 2-4 Days

Parts showing as available at our Supplier Warehouse are ordered from our supplier and delivered to us before we can dispatch. More info is available on this page under "Stock Availability".

OEM Special Order: Dispatches in 3-10 Days

This website does not have access to live stock levels from our OEM Suppliers. In most cases the parts will be available but in the case of backordered parts we will notify you. We receive parts from Yamaha in 3-4 days, All others including Honda, Suzuki, Kawasaki, Polaris please allow 7-10 days for us to receive the parts. 

Delivery Times

Ireland & Northern Ireland:

1-2 Days using GLS/An Post

Germany, France, Netherlands, Belgium:

3-5 Days using GLS/Fedex

Italy, Spain & Other EU Countries:

4-7 Days using GLS/Fedex