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2Bros MCS ltd Company number 16176735 - Vat No. GB 508324506 - info@2bros-mx.com - Tel: 03301333748
Part No. 56-C159.EX.STG1
YAMAHA WR250F 2015 - 2017,
Hot Cams Stage 1 exhaust cam - 4299-1E: Excellent bottom-end and mid-range power increase: Designed with Improved Throttle Response (I.T.R.) technology: Uses stock valve springs: Dual-cam engine: Intake and exhaust cams sold separately: Supplied with decompression mechanism.
EXHAUST LIFT: 8.59mm
EXHAUST LOBE CENTER: 103.44
EXHAUST DURATION (@1MM): 246.70 degrees
EXHAUST VALVE LASH: 0.225
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