Tag: carburetor

Dear ATVC: I’m building up my son’s Honda TRX90 with the following engine mods: Ported head, TBQ Race cam from Beatrice cycle and a 114cc cylinder kit With Flat top piston, stepped header pipe to stock muffler. Here’s the question; Do I run the stock carb and jet it up (I think it comes stock […] More »

There are certainly some advantages in the real world- namely saving you from having to make carburetor adjustments to compensate for things like elevation, temperature, humidity and modest modifications. Additionally throttle response across the entire RPM range is typically improved and fuel injectors are less susceptible to fuel varnishing that takes place during long periods of inactivity/ storage.

Dear ATVC: I have a 1987 Suzuki Quadracer 250 that pings every time I crack the throttle. It has a fresh top end but is still stock spec. The only other mods are a pipe and vented airbox lid. Any ideas? Pinging is actually the result of pre-ignition of the fuel in your engine’s top […] More »

We know that electronic fuel injection is the future, but let’s be honest: hundreds of thousands of ATVs around the globe make use of the tried and true mechanical carburetor as the fuel metering option of choice. A well tuned carb can be every bit as efficient and capable as the more complex (and typically […] More »