I've been using the JTM with my 727 for almost a year now, with no problems. I don't do "Big Air", but I do blast through the whoops, with my 240lb fatness, at WOT. I'd bet the stock swingarm is weaker than the extension. You won't have any problems.

 

I do like to get some big air whenever possible, I wonder if it can take it.

 

You'll probably break the stock swingarm before the JTM.

 

hey guys, Old thread, but weve got some Dyno runs posted of a Stock vs. 686 Raptor.

I will have them on there own page soon, but for now, you have to go to the bottom of my Tri-Shee project page..

Check out the bottom 2 dyno runs. Impressive!!!

RoostKing....

 

nice site roostking.
the raptor and 450r numbers were both impressive. was the 450 ran on the same dyno as the raptor?

 

CAPTBAGS... This is your motor that is shown on the DYNO. I think you will be very happy wiyh the new mods.Thanks for your bussiness. KEN

 

If you look at the dyno sheets between the 686 and the 450R, you can see that they both read "KENZ CYCLE TECH" at the top.

Congrats on the numbers Capt. I hear it's pretty tough to break 55 RWHP with stock carbs.

 

I am Really pumped. Can wait for it to get here and, bolt it in.

I want to say thanks to Ken for his professionalism and, patience with me calling everyday and, probably driving him nuts. He always took time and, talked over my decisions on the build and, gave suggestions and, senarios. He is a great guy.

This is more than I expected, Ken told me originally; he likes to use his motors performance to do the talking and, the Dyno for tuning but, this is Very impressive to start with!!!

"""""The 2 Dyno runs above are of a Stock Raptor and a Kenz built 686 Raptor. Although its hard to see the HP and Torque numbers, they are as follows. HP went from 33.2 to 56.6. Max Torque went from 28.8 tp 46.7. Pretty good numbers to say the least!"""""

I will have it in as soon as it arrives back home and, give a full report!

As for my original question "How do you think I'll Match up w/ my friends" I think I will give them all they can handle and, there will be a bunch of other "unsuspecting" victums at the dunes. Look out Midwest!

The JTM Extension is probably inevitable now! Who's got the best deal on one? LOL

 

um, really... Where can i get the JTM Extensionor something like it for a good price?