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New Pro-X Standard 'A' Forged Piston Kits - 4 each - Standard Bore Size 73.97mm Fits Standard Bore Size 74.00mm.
Yamaha FX 140 Cruiser 2003-2006, Yamaha Snowmobile RX1 2003-06, Yamaha Street YFZ-R1 1000 2000-03
** Yamaha OE reference part number 4XV-11631-00-00 (piston), 4XV-11603-00-00 (ring set)
Keep your favorite YFZ-R1, FX 140 and RX-1 running with these available STANDARD 'A' pistons! This is the piston kit to refresh the bore to piston clearance.
FITS: Yamaha FX 140 Cruiser 2003-2006, Yamaha Snowmobile RX1 2003-06, Yamaha YZF-R1 1000 2000-03
Pro-x Kits are supplied with piston , rings, wrist pin, and circlips.
Pro-X pistons are manufactured in Japan and are the highest quality aftermarket pistons you can buy.
The pistons are for standard bore 74.00mm, check your bore size before buying these.
A qualified machine shop will be needed to measure your cylinders to fit pistons.
Picture is the exact model listed, you will receive these pistons when ordering.
You will receive 4 each new standard 73.97mm piston kits to fit a standard 74.00mm bore when you purchase.