Genuine Factory Racing Parts for the R1 and R6 - Yamaha Racing ...

YZ250F Racing PartsPlease note that the YRRD Racing Parts listed below are only available as a complete kit, althoughadditional spare parts can be ordered individually by customers who have previously purchase (a) completekit(s).Piston assySpecial high compression forged single ring piston developed by YRRD.Exhaust pipe, 1New for 2011. special titanium front curve, with resonator, made specifically for best performance over the fullengine power band.Exhaust pipe, centralSpecial titanium central pipe, made specifically for best performance over the full engine power band. Lighterweight compared to stock model.SilencerNew for 2011. Special titanium silencer, dB noise level in accordance with latest FIM Regulations. Lighter weightcompared to stock model.CDI unit + bracket and rubber bandNew for 2011. CDI with new YRRD mapping, providing optimum ignition characteristics for best engineperformance. REV limiter + 500rpm compared to standard.Intake camshaft assyYRRD type – High performance camshaft with different profile and timing than standard.Exhaust camshaft assyYRRD type - High performance camshaft with different profile and timing than standard.1 st Gear (Gear, 1st wheel)Different transmission sprocket for longer 1 st gear, extremely effective when starting in 1 st gear(as used by supported top GP riders).Cylinder gasketYRRD cylinder gasket of different material and thickness than standard.Radiator CapHigher pressure radiator cap (up to max. 2.0 bar).Oil Pump PlateModified oil pump plate for better clutch feeling (particularly for starting), and 0,9 kg weight reduction.Crankcase Cover,1Machined factory crankcase ignition cover, in aluminum material, for higher rigidity.Crankcase clutch, CoverMachined factory crankcase clutch cover, in aluminum material, for higher rigidity.FOR CLOSED-CIRCUIT USE ONLY