[ ] correct my sons gave me there old wheels. they think it was a pig wheel. i did mine on a belt sander. just let it roll and keep checking. like scooby said bad design. somthing like a amp link may help so the chain. will have room to move with suspension. it just hooks up and rides beter loose.

 

I'm aware of the fact that the roller isn't supposed to be in contact with the chain at all times.

My main problems are:

With the new smaller roller, the chain needs to be tight or it smacks the frame. Or if I loosen it to spec (1/2 to 1" of slack, just like all my other bikes, which I've had no problem with) it really smacks the hell out of the frame.

I had neither of these problems when I ran the stock roller. Except when I adjusted the slack to 1/2" with the stock roller, it only took me an hour to bust it off.

The entire chain, sprocket, frame location is horrible. The counter shaft sprocket needs to be located higher to prevent the chain from "whipping" up or smacking the chain roller and/or frame under acceleration.

I'll try talking with TM Designworks again, to see if they'll cut a stock sized roller for me.

Unfortunetly with this design on the DS it seems one of the parts must take a beating. Whether it be the chain, roller, or frame.

*deep sigh*

 

I happened to be in Walmart & the local hardware store this afternoon and noticed they sell small hard caster wheels in sets of 2 for like $3.50. Don't know if they are the exact size needed. Most likely you would need to bore out the center hole a little.

 

Kawi kid have you ever thought about putting a larger output sprocket on and a smaller rear so your chain wouldn't hit the swingarm?

 

Well, I'm an a**hole. I took the time to thoroughly examine my DS' suspension to find out…with no rider the bike squats / uses up nearly 3” of it’s travel!

I’m unsure if the stock shock preload is the same on all DS’ but obviously mine was not much at all! I must sincerely apologize to TM Designworks for being so stubborn.

I jacked the quad up, loosened the retaining ring on the shock, and moved the adjustment down about 1 ¼” then snugged the retaining ring back up. Lucky enough Bombardier designed the shock / spring so that you can twist the spring to turn the adjusting ring (to prevent 3 hrs of adjustment with a screwdriver and hammer).

I took it for a ride and WOW!! The DS hooks up 200% better! Not to mention no more frame smack and no more roller wear! I was completely astonished what a difference it made in traction! I can pull a wheelie from a rolling start now! Of course the bike doesn’t ride as comfortable as it once did with it’s prior spongy suspension, but it’s definitely a turn for the better!

I’ll be writing a review up on the chain roller shortly (with pics) look for it soon on www.bombardierds650.com

I’d like to thank everyone for their suggestions!

 

Remember to adjust the rebound and compression settings if you adjusted them due to the increased preload.

 

My roller broke off last time I was riding. I planning on useing a skateboard wheel. I have purchased some wheels and bearings from a local shop. The wheel is almost exactly the same width and diameter (rib diameter that is).

What is the purpose of the rib? Is this necessary or could I just leave the wheel as is?

I guess the difference would be the roller would be rolling on the outer edge of the chain instead of the center. Would this be a problem since the roller shouldn't be hitting it all the time anyway?

One note on using a skateboard wheel, it looks like using 4 bearings will work nicely. Using only two would allow the wheel to slide back and forth and hit the frame on the DS.

Thanks.