PISTON KIT 88-91 YZ250 70.00, WOSSNER 8134D200 YAMAHA MXPiston Kit 70mm Bore 69. 94 Wossner 8134D200 (+2. 00) YAMAHA YZ250 1988 1991, WR250 1988 1991 Wossner forged pistons are superior in strength and design. Engineered to provide the best possible path for combustion chamber heat transfer to cylinder walls. Elliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston

HOTRODS 4037 YAMAHA MX The Hot Rods Crankshaft Assembly is a precision-engineered replacement for Yamaha YZ250 models from 1999 to 2000

This bike is being sold by me personally as its one of my kids bikes

ignition inspection

Big End Width

0mm piston Two 2756CD rings Two CW18 circlips One S508 wrist pin

Again the rear wheel and all hardware is present and looks in great restorable condition Engine and frame numbers are matching It still has the original rear speedo drive on it And that chain is a work of art - I love how someone has taken the time To build the chain from individual links Locking them together with split pins

YAMAHA WR 490 ZD 1992

The kit for 02-07 CR125 includes a lighting coil

The most complete gasket kit on the market

OE Replacement Crankshaft: Built to deliver performance and durability equivalent to or better than OEM parts

Yamaha YZ250 FN/FP/FR/FT/FV/FW/FX/FY/FZ/FA/FB/FD/FE/FF(4T) 2001-2015

50 mm Bore (PN# 8133D150)