Smoothing out KX65 power

Seth_88

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#1
My son has just started riding again, on a 2001 KX65. This is his first bike with a clutch/gears, and he seem to be a little intimidated by the way the power hits. Would low tension reeds smooth the power out noticeably? I would like to make the engine more tourquey and easier to ride if that is possible on a 65. Any suggestions?
 
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#2
My little guy is in the same situation on the same bike. We race hare scrambles and do some pretty technical trail riding. I bought a 10 oz. flywheel weight from steahly and it really works well. They sell a 8 oz.,10 oz and 12 oz. I chose the 10 oz because I figured as he gets better and wants some more hit, I can have some weight machined off. I was extremely impressed with the quality of the weight. They even include the 3 flywheel cover gaskets reguired for the weight to clear. Good Luck!
 
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#3
That sounds like a good plan. Trying to get torque out of a KX65 is not going to have the best of results, but the flywheel will smooth out the hit.
 

Seth_88

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#4
Originally posted by KTM Shorty
My little guy is in the same situation on the same bike. We race hare scrambles and do some pretty technical trail riding. I bought a 10 oz. flywheel weight from steahly and it really works well. They sell a 8 oz.,10 oz and 12 oz. I chose the 10 oz because I figured as he gets better and wants some more hit, I can have some weight machined off. I was extremely impressed with the quality of the weight. They even include the 3 flywheel cover gaskets reguired for the weight to clear. Good Luck!
Where did you order the weight from? What about some low tension reeds, do they really make a difference?
 
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#5
I ordered it directly from Steahly. www.steahlyoffroad.com I don't know about the low tension reeds. If you try them, let me know how you make out.
 
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#6
Seth_88.. My son is also starting out on the KX65 as his first bike with a clutch.. let me know if you try the flywheel weight. We were actually thinking of going back to a klx110. We are also from Ky... London area.
jsmith809@adelphia.net
 

Seth_88

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#7
Originally posted by jsmith811
Seth_88.. My son is also starting out on the KX65 as his first bike with a clutch.. let me know if you try the flywheel weight. We were actually thinking of going back to a klx110. We are also from Ky... London area.
jsmith809@adelphia.net
I'm now wondering if I made a mistake by getting the KX instead of the KLX110. I think he would actually enjoy riding the four stroke better than the KX. I'm going to try the reeds probably first, and see how it goes. I may just sell it and find a KLX or TTR90. I live in Edmonton, about 90 minutes west of London. I've been up to Daniel Boone MX a few times.
How do you like the KX250F? I saw your posts on Thumper Talk about the new bike. Is the engine as strong as the YZ250F's? I checked one out at the dealership Saturday- very nice looking bikes.
 
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#8
To all considering a move from a KX65 back to a KLX110.
If your son is going to ride or race on an MX track I would suggest that you stick with the KX65, your son will get used to hit and actually learn to like it.
 

Jasle

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#9
I agree with eswan. The KLX has crap suspension and is really only good for a pit bike. It will take time but just let your little one get used tot he kx. It took my son the better part of 3 months to get used to our 65 but it has paid dividens...especially with his 50 racing. He is a lot faster on the 50 now.
 

CaptainObvious

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#10
Just this week I bought my 9-year-old son a KX65 (for his birthday) to replace his XR70. Saturday was his first ride on the bike.

I figured I’d take it out just to warm it up for him. I got the thing on the long straight on our home track, opened the throttle in third gear, and when the bike came on the pipe the front wheel came right off the ground and I rode a nice 200 foot wheelie. Holly crap, this thing makes some nice power!

What’s fun for 180 pound dad can be very bad for a 70 pound boy coming off a 4 HP auto clutch bike, now trying to learn how to use a clutch.

When I got back to the garage, Connor says “nice wheelie Dad”. I say to Connor “we gotta talk”. In short I put the fear of God into Connor; “avoid revving this thing out, don’t even explore the power band just to see what it’s like”.

Connor takes to the clutch real well and is (short) shifting in no time, but riding much slower than he ever did on his XR70. So what do I do now? Do I let him explore the power band and learn all about a 2-strokes hit, or do I try to tame this beast? On one hand I’d hate for him to have a bad experience and not ride the bike to its (or his) full potential; but on the other hand I don’t want to water-down the bike if I don’t have to (it will cost $500 to do all of the recommended mods – low-tension reeds, FMF Fatty/Turbine Core II, flywheel weight, intake spacer…).

Thoughts or suggestions please.
 

Rcannon

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#11
I had a friend that bought the TTr 90 and a PW 80 for his boys. The engines on the bikes are fine, but as others have said, the suspension was awful. Until the factories believe that beginners can benefit from shocks and forks that actually work, I would stay with the 65.
 
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#12
My first clutch bike was an RM80. I was challenged because my old bike was a PW80. I got pretty mad at myself after a days ride but I figured I had to learn sometime. Either now on a 130lbs bike or on a 220lbs bike(KDX). If they learn on a small bike its easier than getting a KX85 or 100.
 

jboomer

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#13
I say let him do it! Give him the spill about sitting up high on the gas tank and leaning over the bars....he'll figure it out. You can spend a lot of money putting all of these aftermarket parts on to protect him, then spend all your time taking them off in order to allom him to transition slowely. Or, you can teach him the proper body positioning and allow him to decide how fast he wants to go.
 

gwcrim

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#14
Gary, I'd let him learn to ride it as is. He'll adapt pretty quickly. You've obviously gotten him to respect it already. He'll be just fine.
 

CaptainObvious

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#15
I asked him last night what he wanted me to do. He said to leave it alone and he'd learn how to ride it. Damn, he's one smart kid!