The WOSSNER Piston Kit, 73.95 mm, manufacturer part number K7502DA-4, is designed for specified Yamaha snowmobile applications. The kit includes a piston, rings, wrist pin and pin locks.
Features include enhanced piston pin oiling slots, radial boss machining and annular grooves for improved wrist pin lubrication. The lightweight piston uses tight piston wall clearance to support quieter engine operation. A coated skirt helps reduce friction and improve break-in performance, while ring land treatment supports ring seal and oil control. The design includes double bridged forging where noted.
This piston kit fits the 2007 Yamaha Apex L-TX GT 1000, 2006 Yamaha Apex R-TX ER 1000, 2006 Yamaha RX10GT Apex GT, 2004 Yamaha RX10R RX-1 ER, 2005 Yamaha RX10R RX-1 ER, 2005 Yamaha RX10RS RX-1 ER LE, 2003 Yamaha RX10 RX-1, 2006 Yamaha Apex M-TX 1000, 2007 Yamaha RX10MS Apex Mountain SE and 2007 Yamaha Apex SE 1000. Distributor part number was not provided.
Features:
- Brand: WOSSNER
- Product: Piston Kit
- Size: 73.95 mm
- Manufacturer part number: K7502DA-4
- Kit contents: Piston, rings, wrist pin and pin locks
- Piston pin lubrication: Enhanced oiling slots, radial boss machining and annular grooves
- Piston design: Lightweight construction with tight piston wall clearance
- Skirt: Coated to reduce friction and improve break-in performance
- Ring land: Treated to support ring seal and oil control
- Forging design: Double bridged where noted
- Fitment: 2007 Yamaha Apex L-TX GT 1000; 2006 Yamaha Apex R-TX ER 1000; 2006 Yamaha RX10GT Apex GT; 2004 Yamaha RX10R RX-1 ER; 2005 Yamaha RX10R RX-1 ER; 2005 Yamaha RX10RS RX-1 ER LE; 2003 Yamaha RX10 RX-1; 2006 Yamaha Apex M-TX 1000; 2007 Yamaha RX10MS Apex Mountain SE; 2007 Yamaha Apex SE 1000
Fitment:
2003 Yamaha RX10 RX-1
2003 Yamaha RX10MS RX-1 Mountain LE
2003 Yamaha RX10R RX-1 ER
2003 Yamaha RX10RS RX-1 ER LE
2003 Yamaha RX10S RX-1 LE
2004 Yamaha RX10 RX-1
2004 Yamaha RX10M RX-1 Mountain
2004 Yamaha RX10R RX-1 ER
2004 Yamaha RX10RS RX-1 ER LE
2004 Yamaha RX10S RX-1 LE
2004 Yamaha RXW10 RX Warrior
2004 Yamaha RXW10S RX Warrior LE
2005 Yamaha RX-1 LE 1000
2005 Yamaha RX10 RX-1
2005 Yamaha RX10M RX-1 Mountain
2005 Yamaha RX10R RX-1 ER
2005 Yamaha RX10RS RX-1 ER LE
2005 Yamaha RXW10 RX Warrior
2005 Yamaha RXW10S RX Warrior LE
2006 Yamaha Apex L-TX 1000
2006 Yamaha Apex L-TX GT 1000
2006 Yamaha Apex M-TX 1000
2006 Yamaha Apex R-TX ER 1000
2006 Yamaha Apex SE 1000
2006 Yamaha Apex X-TX 1000
2006 Yamaha Attak 1000 GT
2006 Yamaha RX10GT Apex GT
2006 Yamaha RX10M Apex Mountain
2006 Yamaha RX10R Apex ER
2006 Yamaha RX10RT Apex RTX
2006 Yamaha RXW10 Attak
2007 Yamaha Apex L-TX 1000
2007 Yamaha Apex L-TX GT 1000
2007 Yamaha Apex M-TX 1000
2007 Yamaha Apex M-TX SE 1000
2007 Yamaha Apex SE 1000
2007 Yamaha Apex X-TX 1000
2007 Yamaha RX10GT Apex GT
2007 Yamaha RX10M Apex Mountain
2007 Yamaha RX10MS Apex Mountain SE
2007 Yamaha RX10R Apex ER
2007 Yamaha RX10RT Apex RTX
2007 Yamaha RX10RTR Apex RTX ER
2007 Yamaha RXW10 Attak
2007 Yamaha RXW10GT Attak GT