Valves on both ends? Yes, sometimes. Dear ATVC: Appreciated your article on the two-stroke power valve but have to laugh when you say the to-stroke engine is designed around using no valves. If it has a reed valve on the intake side and a power valve on the exhaust side, I’d say it is a […] More »
The big Mammoth 800 doesn’t want to move. Dear ATVC: North Central Ohio here. In a town of 45,000 people I cannot find anybody that will work on my Kazuma Mammoth 800 UTV.. So I guess I’ll have to hack it myself. Fairly handy if I know where to start. I can shift the transmission […] More »
How to know for sure. Dear ATVC: My Suzuki King Quad 700 runs rough when cold then won’t start sometimes (but not often when it’s hot). And it occasionally smokes a lot when it’s cold. I’m guessing that’s rings but I’m worried unless it’s causing the other problems. All help is appreciated – thanks! It […] More »
Each of your options was built for a unique purpose. Dear ATVC: Hi, so I am getting my first quad but don’t know which one will be right for me. I have a budget of about 3000. I have two options, a Yamaha YFZ450 (bored out to 490 cc with stage two Hotcams). I went […] More »
When you know it’s electrical, but don’t know what. Dear ATVC: I have a 2001 Polaris Sportsman 500 that won’t start. When jumped it will but doesn’t charge new battery. 1. New battery 2. New solenoid 3. New starter 4. New stator Any tips? Please, I know it’s old but I just love this quad. […] More »
Your mission is not impossible. Dear ATVC: So my 2005 Yamaha Kodiak 450 needs its original tires replaced. Any ideas for a solid but budget-friendly option? Don’t need anything more than the OEM tires as far as lugs or muddying. I’ve seen some WANDA tires on Amazon but don’t know anything about them. Any input […] More »
Performance gains means tweaking the carb. Dear ATVC: I have a 2004 Honda 400EX and I’m getting a RS3 Yoshimura full system from someone that used it on a 400ex before me and I am not sure how to figure out what jetting I need for it to run good. I would really like to […] More »