DYNOJET Jet Kit - Yamaha YZ450F 4117 Clutch Release Lever Smoke anti-fog coated polycarbonate lens

Smoke anti-fog coated polycarbonate lens

NOTE: This item is for can be used with or without the factory key switch (when running race only setups)

Included with the kit are a set (2) of 6mm Graves swing arm spools

New Ninja 400 specific features - Longer Cam chain tensioner bolt for better compatibility with deck-cut engines

weighing just 4

DYNOJET Jet Kit - Yamaha YZ450F 4117 Clutch Release Lever Smoke anti-fog coated polycarbonate lensStage 1: stock engine filters, stock modified pipes; about a 5% power increase Stage 1: stock engine filters, stock modified pipes; about a 5% power increase Stage 2: stock mild modified engine, stock modified pipes, stock modified filters; about an 8% power increase Stage 3: stock mild modified engine, stock modified pipes, individual air filters; driveability may be compromised, N A for some motors; about a 10 15% power increase Stage 7: race only,