Welcome to the AENBUSLM storeAll our products are produced in our own factory. The quality of the product is very good.Please buy with confidence. We will arrange delivery on time.65 CHARACTERS:Manufactured with the latest technologies such as computerized derivatives of GP and F1. TheForged pistons are more temperature resistant and last longer than cast pistons.These pistons also have a skirt lining ofpist n. Piston sets are supplied complete with rings, bolts and clips.Hermetic function, prevents gas leakage from the top of the foot no.This piston ring also achieves the effect of dissipation inof the heat. Prevent excessive oil from entering the combustion chamber and completely lubricate the cylinder wall.Maintain the direction n of the piston movement, so you need to select the best piston ring for the motor.This kit includes a piston, rings, my neck pin and safety rings.Installation by a professional is highly recommended. No installation instructions are included.SPECS: Status: 100% Brand New AftermarketMaterial: AluminumHole size: 74.00 mm (+1.00 mm)Height: Approximately 47.5 mm / 1.87 inchesAttention: modified piston, please check the size and height of the hole that fit your motorcycle or not before purchasing.PART NUMBERS:4GY-11638-004GY-11607-00 ASSY:Fits Yamaha TT250R RAID 1994-1996 Fits Yamaha TT250R TT-R 1993/1995-2004Fits Yamaha TT250R TT-R 1993/1995-2004Fits Yamaha TT250R TTR250 TT-R250 1999-2006(The compatibility chart is for reference ONLY!)(Please compare with your faulty unit and the picture we provided to decide the fit)Package Includes:1 Piston Passenger Ring KitNOTE:check the P/N and height that fit your motorcycle or not before purchasing.74mm diameter pistons and rings for Yamaha TT250r TLinks and descriptions with (AENBUSLM) this brand may not be sold without the permission of (AENBUSLM).Violations will be prosecuted for intellectual property infringement.