Yes it’s real. No it isn’t the same as the CDI. Dear ATVC: I have a 2002 Yamaha Big Bear 400 with electrical problems. I am trying to find out the purpose of the Motor Control Unit. It is different from the CDI box and I am trying to determine whether or not it’s functioning […] More »

Where do these go? Dear ATVC: I have a 1993 Yamaha Breeze 125i bought cheap off a buddy for my son. Took little work to get it running, but I have it running strong. The only thing I can see I am missing is what appears to be some sort of linkage connection between the […] More »

Infinity’s VC production engine layout. Dear ATVC: In the automotive game, VC is an emerging new performance technology. Can you explain exactly what this is? Do you think, like everything else in the auto world, it’ll come to our ATVs before long? VC means variable compression and, like the name suggests – it is literally […] More »

Technically a Kawasaki powered UTV. Dear ATVC: A few years ago my dad bought a Snapper Grounds Cruiser (model GC9520KW) from someone he knew. I have bought it from him for work we are doing on our property although I haven’t picked it up yet. The problem is there is hardly no information out there […] More »

A simpler design from a simpler era. Dear ATVC: I bought a 85 Suzuki Quadrunner 230 that had an amateur switch wire up.. I would like to know what it would take to just add a flip switch to power up and what wires to use and keep. If there’s one good thing to be […] More »

The ol Xpress in all its glory. Dear ATVC: I’m having trouble locating parts (air-box lid / silencer in particular) for my 1996 Express. The Xpress 300 is becoming harder and harder to locate parts for but not yet impossible. Its vehicle code is actually W969530, which will grant you access to online parts schematics […] More »

Are ALL of these things essential? Dear ATVC: I just bought the 3-wheeler off a buddy with a broken pull cord, a missing dog ear spring, and a missing compression spring. I ordered everything but the compression spring. Is that vital or will it start (though a little rough probably) without? Well the good news […] More »