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9/26/2020
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Center Line, MI
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GregC
10/22/2021 4:34am
10/22/2021 4:34am
Wondered if anyone has or does trail ride with an MX bike? I'm in Michigan and have a stock fuel injected 2013 YZF 450 that has seen an occasional mx track practice day but for trail riding the off idle throttle response seems to abrupt for me. It's either on or off.
My friends carbureted 2008 KLX 450 was 10 times easier to ride on trails and scramble areas. The throttle response seemed so much more linear down low. The response was like turning the volume knob on a radio. Very linear and predicatable and could fine tune for about any situation. It still had a hard hitting mid range if you wanted to twist the throttle. I do understand the KLX is a trail specific machine, but the differences couldn't be more different. Which i understand the intent is completely different. Just wondered if anyone has "made an mx bike work" on the trails with possibly different fuel mappings or flywheel, etc. Thank you. Greg
My friends carbureted 2008 KLX 450 was 10 times easier to ride on trails and scramble areas. The throttle response seemed so much more linear down low. The response was like turning the volume knob on a radio. Very linear and predicatable and could fine tune for about any situation. It still had a hard hitting mid range if you wanted to twist the throttle. I do understand the KLX is a trail specific machine, but the differences couldn't be more different. Which i understand the intent is completely different. Just wondered if anyone has "made an mx bike work" on the trails with possibly different fuel mappings or flywheel, etc. Thank you. Greg
Or…if you’ve got an extra grand laying around…Drop a Rekluse auto clutch in…that makes them work perfect…just leave it in 3rd gear and let the torque do its think with very little tire spin is the slow techy trails.
Fly wheel weights help…though I never saw any reason to use them.
If you don't have one might try hitting this guy up here to see if he still has it for sale.
The Steahly flywheel weight was pretty popular on the earlier 450 EFI.
Most often the big differences in MX and enduro models is simply FWW and mapping, or a little lower compression which is similar to adding FWW.
And as Titan1 said, riding up in the gears is a good thing, or you can gear it up. Try adding one tooth the countershaft for a cheap test to see if it helps.
And as he also mentioned there's the Rekluse, but those things are way over priced, IMO. I'd try all the above way before I went there.
The Shop
For racing…I’m not sure there is any one thing an amateur off road racer can do to improve their results (not technique, not speed, but improve results my eliminating mistakes) more than a rekluse. Eliminate stalling, eliminate even thinking about the clutch, focus on line choice, etc…major improvements in results! Now, faster guys won’t see the improvement in results that slower riders will (because they don’t stall,use the clutch automatically without thinking, have good line choice)…but a rekluse clutch can cover a lot of mistakes slower riders make.
For trail riding, I don’t know that they are worth it…unless you’re riding incredibly technical stuff…but even then, not sure I’d get one.
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