
74Nitro
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- Joined
- Feb 18, 2013
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- Location
- Dublin Ontario
- Country
- Canada
- Snowmobile
- 2019 Sidewinder LTX
They engines didn't have exhaust valves, but did have individual expansion chambers, and that combination gave them the on/off pipe surging behavior. I never owned either, but did drive all three, the 600, 800 and 1000I had both the 800 triple Cat and the 1,000 triple Cat! They where so docile and controllable I let my 12 year old kids ride em around while we fished! If anything compared to the Warrior and Apex they reacted predictably with the ability to back off the throttle and still maintain speed, On the throttle spool up and and accelerate, while the Yamahas where more electric like running a slot car! Weird!
The last 600ZRT has exhaust valves to eradicate this behavior. Again, I agree with Basset's comparison.