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Fuel & Ignition Controllers
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2025 YAMAHA YZ125
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Latest Fuel and Air Intake Systems Reviews – You could win up to $500 for reviewing products!
Tusk Carburetor Vent Line
Travis in WY
Clean look and keeps fuel venting smooth
Replaced a faded, brittle set of factory vent hoses with this line kit and it route cleanly down through the frame swingarm area. The hose material is flexible, fits snug over the brass carb nipples, and will not harden or kink over time when exposed to gas or hot engine oil. It allows the float bowl to breathe correctly so the engine runs clean without stalling or loading up on steep hills. Plenty of length included to run all four carb vents and the drain tube. Quick inexpensive way to clean up the engine bay and make sure your carb vents properly.
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JD Jetting Jet Kit
BRAD in ID
Worth it!
Worked on getting bike to run right. Would recommend to anyone with a carb.
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Tusk Fuel Mixture Screw
CHAD in CA
Perfect fit and easy adjustment
I installed the mixture screw on my Ktm 530. It fits perfect and I can now easily adjust my mixture without having to have a special tool.
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Pro X 99101-357 Series Keihin Hex Main Jet
Travis in WY
Fit great, did exactly what I needed
Grabbed this to dial in the jetting and it fit great. It was the exact size I needed for my application and threaded right into the carb with no issues. Pro X stuff is always a reliable option when you just need a standard, quality jet to get your bike running right.
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Pro X N424-21 Series Keihin Pilot Jet
Chance in FL
AMAZING!
FITMENT WAS PERFECT. ILL KEEP USING PROX PRODUCTS FOR ALL MY MOTORCYCLES! PRICE POINTS ARE ALWAYS IN LINE WITH THE BUDGET!
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Boyesen Quickshot 3 Accelerator Pump Cover
Richard in MD
A must modification for carbureted bike
I used the Boyesen Quick Shot on my 06 YZ450F before the FI Generation. I was rebuilding my grandsons 06 YZ250F and wanted to update his stock carburetor. what a difference in throttle response, would recommend to anyone running a carburetor. Rich
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