![]() ![]() ![]() It may mean more work, but if this happens it must be looked into immediately. The other problem that commonly occurs when starting the engine is that it won’t accelerate as it should. This won’t damage the engine or other parts at all as long as you keep the RPM low!Īlso, never overlook the pre-ride checklist, as accumulated gas vapors in the engine compartment could result in an explosion. You can turn the engine on and let it run for 15 seconds without cooling. This is why it’s always a good idea to start your jet ski while it’s still on the trailer, or even better to try starting it at home in the garage. ![]() This can be especially frustrating if others are waiting behind you on the ramp. It hit its stride when Cat turbocharged it.You’ve just launched it, but now your jet ski won’t start? This dimensionally small 660cc DOHC triple with EFI turned out to be as reliable as a slab of granite and with some deft chassis tuning, Arctic Cat was able to turn it into a very pleasurable, albeit tame sled to ride. The 660 4-stroke was a Suzuki-built automobile engine used mostly in Japan. Our memory of that sled was that it was capable of about 70-mph on a flat, hard surface but if you hit some snow or slush it would drag your speed down about 20-mph in a fraction of a second. The sled, built on a modified ZR platform, was heavy and the engine only wheezed out a very sedate and smooth 60-hp. Who would buy such a thing? They were heavy and needed enormous displacement to match the performance of 2-strokes.Įven if it could be done, their weight would destroy the handling of what we then knew as a modern snowmobile.įrankly, the first versions of the 660 4-stroke weren’t very convincing evidence those fears were not true. ![]() Obviously, the OEMs had a much clearer idea of what was going to be necessary ten years down the road because they were already tooling up new SDI 2-stroke technology and getting ready to build 4-stroke sleds.Ĥ-strokes? At the time, because no one had built one yet, the idea seemed absurd. In West Yellowstone, Montana, when Supertrax first laid eyes on the new 4-stroke from Cat, the big question was… why? What you need to realize is that in early 2001, there were only rumors of impending EPA restrictions on snowmobiles, particularly on the tight Yellowstone Park rental market. 11 SLEDS THAT CHANGED EVERYTHING…AND HOW… ![]()
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