Swapping SM wheels onto WR426
Posted May 20, 2009 - 02:57 AM
1st post so here we go.
I have a YZ250 (Yes 2 stroke) SM which is street legal and a street Legal WR426 with MX tyres on it. I have a spare set of MX wheels and tyres for the YZ. The YZ is rather impracticle for touring around mainly for the petrol problem.
So. I am going to put the YZ MX wheels back on the YZ, and want to put the SM wheels on the WR. To be honest looking at some of the WR426 SM conversions, it can turn out quite stunning !.
The question is:
Can I put the SM wheels straight on the WR without any different parts or modifications ?
Both bikes have standard brake systems, but the SM wheels have been upgraded with new discs.
Posted May 20, 2009 - 11:15 AM
Piccies as below and hopefully for future ref that this can be achieved.
Posted May 21, 2009 - 10:21 AM
The test went brilliant, it drives like a dream. Hugs the bends and opens up nicely.
One slight problem though.
It seems to be misfiring once I hit top gear and open up. It coughs about every couple of seconds and then carries on again. Seems to be 1/2 to full throttle and if I go lower than this its not a problem. It then starts to affect lower gears. Its as if there's not enough fuel getting through. I lowered the needle from 4 to 3, upon advisement, but it doesn't make any difference whatsoever.
Any thoughts would be appreciated ?
Posted May 21, 2009 - 02:32 PM
Posted May 22, 2009 - 01:08 AM
Posted May 22, 2009 - 03:41 AM
Posted May 22, 2009 - 08:29 AM
As for the other problem, if unplugging the TPS, or adjusting it to specs doesn't correct the problem, then you may want to check all electrical components, make sure they are clean and fitted right, even check the gas tank vent, and lastly it could still be a jetting problem. Check float height, and maybe give the carb a good cleaning.
Hopefully someone who knows more about the 426's will chime in.