4879M09500 Wiseco Std Rear Piston 95mm 10.5:1 for Yamaha Road Star 1600 1999-200

Rear Piston for Yamaha Road Star 1600

This Wiseco standard rear piston is a 95mm, 10.5:1 forged replacement piston for the Yamaha Road Star 1600, cross-referencing part 4879M09500.

Overview

This standard rear piston for Yamaha Road Star 1600 models is a forged replacement unit built to restore top end performance on the 1600cc V-twin. It serves riders and mechanics rebuilding a worn or damaged engine. The piston is manufactured to a 95mm bore with a 10.5:1 compression ratio, matching the original specification for the Road Star 1600.

Built For Performance

• Forged aluminum construction for high strength under combustion loads
• 95mm standard bore size for direct replacement fitment
• 10.5:1 compression ratio matched to the Road Star 1600 top end
• Precision machined ring grooves for consistent sealing
• Heat treated for thermal stability in air cooled V-twin service

Fits These Machines

• for Yamaha Road Star 1600, 1999
• for Yamaha Road Star 1600, 2000
• for Yamaha Road Star 1600, 2001
• for Yamaha Road Star 1600, 2002
• for Yamaha Road Star 1600, 2003

On-The-Job Use

• Top end rebuilds on high mileage Road Star 1600 engines
• Replacing a scored or worn rear cylinder piston
• Restoring compression on a bike that smokes or burns oil
• General engine overhaul work in a home or shop garage

Specs At A Glance

Good To Know

Q: Does this piston include rings and a pin? A: Piston kits vary, so check the listing contents or contact the seller to confirm what is included before ordering.

Q: Can I install this without boring the cylinder? A: This is a standard bore piston, so it suits a cylinder that measures within factory spec. Have the bore checked by a machinist before assembly.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.