The mysterious stack. Dear ATVC: I’m looking at a carburated Z400 that the ad states is equipped with velocity stacks. What is that and what does it do? That’s a solid question. You don’t hear a whole lot about them these days and it gets even more confusing because they are often called things like […] More »
By: Jason Giacchino | February 28, 2022
Blame it on the cam? Dear ATVC: My son bought a 2009 Polaris Ranger 500 EFI. It needed an engine. He found a 2014 Sportsman 500 HO carbureted. We switched the mag coil because the harness was different. It starts and runs but stalls after a minute or if given throttle. He is trying to […] More »
By: Jason Giacchino | January 10, 2022
Tight squeeze situation. Dear ATVC: So my ATV’s carb is out of tune and the adjustment for air fuel mix is facing down. I can’t reach it even with a small flat-head. Any suggestions how to get a screwdriver in that space? A few – these are instances where a picture is truly worth a […] More »
By: Jason Giacchino | October 24, 2021
Refusing to fire up. Dear ATVC: I have a Honda 400EX that turns over but won’t start. I already cleaned the carb. Some of the jets were clogged and I thought that would be it but no difference. Fuel is flowing but not sure why it still won’t start. Please help. It sounds like you […] More »
By: Jason Giacchino | October 10, 2021
What could make fuel spray out of the carb? Dear ATVC: I have Brute Force 650. The other day I was riding and it sputtered and cut off and wouldn’t start. Upon further inspection I saw that the return line had broke – so I fixed it and it still wouldn’t run! I took it […] More »
By: Jason Giacchino | July 18, 2021
We need to know a bit more to be sure. Dear ATVC: I need help identifying and procuring of a rebuild kit or a new/rebuilt carb for my 400 4×4. Thanks. Your pics of the carb are nice and clear but this is one of those cases where the year, make and model of your […] More »
By: Jason Giacchino | May 2, 2021
It’s quite a few parts, but certainly possible. Dear ATVC: I have a 1996 Honda Foreman 400 4×4. It works great but I’m tired of dealing with the carb on this engine. Can someone point me into the direction of an EFI system that I can make work on this ATV? Fuel injection is incredibly […] More »
By: Jason Giacchino | February 1, 2021
