Fuel And Air Intake Systems

fuel and air intake systems

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Boyesen Rad Valve
John in CA
The best upgrade
I put this on my yz250 and when on the track I was blown away with the power and response. More low end and more over rev and crisp throttle response. I dropped the main jet one size to a 175 and pilot jet one size to a 48. It also has a pro circuit pipe...The bike feels like a whole new bike, jumps I had to click into 4th can be done easily in 3rd now with throttle to spair. If I could give it 10 stars I would.
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Helix Racing Products Fuel Line
Bradley in TN
Great fuel line
Bought just to have some replacement. have used some and it works great no complaints.
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V-Force 3 Reed Valve
Cole in AB
Cr 85
Bikes actually rideable in the low end now, this and other mods helped a ton.
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V-Force 3 Replacement Reeds
Bradley in TN
Great reeds
Great reeds. fit great. just a great overall product I will order over and over again
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Tusk Carburetor Vent Line
tom in VA
Tusk vent lines
really good product! dificult to get on but totally worth it in the end
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JD Jetting Jet Kit
John in IL
Improved throttle
Easy to install, great instructions with recommended jetting for mods. Adds a nice pep and better throttle response. Drz400.
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