125-200cc Low end grunt - wr 125 Keihin /144

cheers - maybe a little easier to wheelie?

Gearing I believe is a matter of opinion and does depend on where you ride. To me I myself would definetly lengthen the chain if I went to a 52 tooth rear (just like Jay says you must) I do not want my STABILITY effected at all because of a shorter wheelbase. I understand you guys on the carb issue but for me the stock one works great. ( and still to me if it were so great after all these years why does'nt Jay Hall do it! Hold the puppy wide open and it should work with either carb!! 144 makes life a bit easier then the 125 for me. Stuff seems more critical on the 125. Some guys say 12 to 49 is best and then you do n ot have to add to the chain! Good luck!

I think even an expert would benefit from the better response down low.
To me though its more a matter of survival almost if i need the power its has to be there. I think the keihin carb ith JD jetting is worth a try and good value for money - if it helps. I ll put an order in .
In regard to the wheel base the balance of the bike may be affected but when you look at a YZ 125 for example - its 30mm shorter in overall length and is an easier bike to turn on so it may have advantages.

For moto we run long chains with the axle way back for stability
in the woops, for tight technical woods we run short chains with
the axle very forward for quicker turning. Where we do our woods
riding, wide open isn't an option but we can get medivac in in about
7 minutes if you want to try.

I can generally do some pretty steep hill starts on mine. You'll find the 144 a nice upgrade.

My mate was riding my bike on an MX track and I was watching, he was keeping up fine with 250fs out of corners but you do have to go all the way back to 2nd and slip the crap out of it.

Im going for new 13f 52r sprockets and keihin carb ( courtesy of MZ)first so will see how that goes
Mainly as the 12t front will wear out quicker due to less teeth and more stress
Id like to see how it goes next to yours ( my old bike)
BTW Stefan Everts reckons he doesnt like to use the clutch or rear brakes in corners
Obviously he has talent but I think I need to work on increased corner speed instead of locking it up and sliding into corner and bogging down ..

Definitely. Coming from downhill mountain biking where there is no engine to regain your momentum, corner speed is everything. I run 13-50 gearing; taller than what you had it.