What's your guys take on the T-rex vs the Cheetah Cylinders? What are the pros and cons of one setup vs the other? I'm in the process of building a T-rex shee myself and want your opinions. Thanks for any input.
I've been researching both, and there's not too many differences as far as I can tell. The T-rex is the original, and I believe it has more transfer ports. It's probably the best way to go for all out power.
Weight has alot to do with it. I would let the cheetah be reasearched for a little longer before you buy it. You need to give shopd more time to reasearch porting for them. Stock for stock the cheetah will walk all over the T-REX. As of right now I am pretty sure that the T-REX is on top for right now. From what I've heard KT has goten over 150 out of a Trex setup. But the Rotax cylindered biles are still king.
If it were my money, I'd be all over the Cheetah Cylinders. I've seen both the T-REX and Cheetah cylinders for myself and can say if I was going to drop $2000 on a new setup, it's Cheetah all the way.
In stock trim, the Cheetah's porting looks to be a light year ahead of T-REX. Just by looking at the available space and porting layout given to work with, the Cheetah definatly has more favorable room for optimizing the ports to make an absolute screamer out of it. The T-REX is somewhat limited.
As for ultimate HP numbers, I know a guy with Bone Stock Cylinders, 26mm carbs, and a 2 into 1 pipe making 144 HP at the rear wheels! He's got a Turbo Banshee, but it is actually 144HP on Bone Stock Cylinders, so I guess Stock Cylinders rule, right??? :tup:
Cheetahs are alot better than Trex's out of the box. The ports on the Cheetahs are alot better than Trex's. Plus Trex's dont really run good unless you stroke em, but if youre planning on heavily modding the cylinders than the Trex would be a good choice to go with.
Yeah, but the power valves all these kits use are a stock Bombardier power valve that comes on the 785 and 951 engines. Yamaha had actuated mechanical valves. That used the ignition system to actuate. The Bombardier kits use vacuum!
The cheetah does not use the Bombardier valve. The Trex does though.
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Related Threads
?
?
?
?
?
Blue Traxx Forum
850.3K posts
44.6K members
Since 2001
A forum community dedicated to Yamaha ATV owners and enthusiasts. Come join the discussion about performance, modifications, classifieds, racing, maintenance, and more! Open to Banshees, Raptors, Blasters, and others for recreational riding and racing.