Slow from ~10-22 MPH

Wheelman-111 · Post by **Wheelman-111** » Wed Jul 06, 2011 1:26 pm

Greetings:

It is not yet clear that you need a new contra spring. The Manual won't say anything about a non-stock part.
I would not be surprised if your rollers had flat spots. Pull them and grab a pic or two.

DKAudio · Post by **DKAudio** » Wed Jul 06, 2011 4:27 pm

Installing new rollers was already recommended and I installed them roughly a 2-3 weeks ago. Putting in new rollers did not change the problem. I also cleaned out the grease. This thread is getting long and I have tried everything that has been recommended but the scooter is still bad in the mid band, especially if I am already going about 10MPH, take a turn and then apply the throttle, it takes a long time to accelerate.

Wheelman-111 · Post by **Wheelman-111** » Wed Jul 06, 2011 7:01 pm

Greetings:

Sorry I didn't completely read the thread. Does it sound like there's power but the gearing is too tall and it won't "Downshift"?

bakaracer · Post by **bakaracer** » Wed Jul 06, 2011 10:02 pm

DKAudio wrote:Installing new rollers was already recommended and I installed them roughly a 2-3 weeks ago. Putting in new rollers did not change the problem. I also cleaned out the grease. This thread is getting long and I have tried everything that has been recommended but the scooter is still bad in the mid band, especially if I am already going about 10MPH, take a turn and then apply the throttle, it takes a long time to accelerate.

you put the stock 10grams rollers and I suggested you put lighter rollers in or change the center spring for a new one. that is the common symptom your having of no power after slowing down and getting back on the gas. the rear center spring is worn so it stays compressed plus with the heavy rollers in there, its keeping the variator in high gear. either get lighter rollers or change the rear center spring. or both.

DKAudio · Post by **DKAudio** » Thu Jul 07, 2011 10:08 pm

bakaracer wrote:
DKAudio wrote:Installing new rollers was already recommended and I installed them roughly a 2-3 weeks ago. Putting in new rollers did not change the problem. I also cleaned out the grease. This thread is getting long and I have tried everything that has been recommended but the scooter is still bad in the mid band, especially if I am already going about 10MPH, take a turn and then apply the throttle, it takes a long time to accelerate.
you put the stock 10grams rollers and I suggested you put lighter rollers in or change the center spring for a new one. that is the common symptom your having of no power after slowing down and getting back on the gas. the rear center spring is worn so it stays compressed plus with the heavy rollers in there, its keeping the variator in high gear. either get lighter rollers or change the rear center spring. or both.

I know you recommended lighter rollers and I'm not ignoring you, trust me, I really appreciate all the advise. I kept stock weight rollers because I didn't have this issue before and I had good take off and top end and didn't want to mess with it. I will get a new spring but that brings me to the same question I had a few posts back...I don't know which one to get.

bakaracer · Post by **bakaracer** » Thu Jul 07, 2011 10:38 pm

the next step up from stock is 10% or the 1k .

DKAudio · Post by **DKAudio** » Thu Jul 07, 2011 11:16 pm

bakaracer wrote:the next step up from stock is 10% or the 1k .

Thanks, just so I can learn...what does the 10% stiffer spring do? I assume it makes the belt ride up on the rear pulley later since it is stiffer? Wouldn't this make the engine rev higher which is harder on it? I don't need to mess with my shoe springs do I?

I bought this one, hope it is correct...
http://cgi.ebay.com/ebaymotors/CLUTCH-T ... ccessories

bakaracer · Post by **bakaracer** » Thu Jul 07, 2011 11:45 pm

yeah thats the one. no you dont have to change the clutch shoe springs. that rear spring helps with belt ride height control on excel and decel.

PimpinSpree · Post by **PimpinSpree** » Fri Jul 08, 2011 12:35 am

just get some 4k clutch springs, that should help your take off from the line.

Have you done a plug chop?

DKAudio · Post by **DKAudio** » Sat Jul 09, 2011 4:28 pm

PimpinSpree wrote:just get some 4k clutch springs, that should help your take off from the line.

Have you done a plug chop?

4k is pretty high isn't it? How many RPM's do the stock ones engage at? I was thinking about getting some 2k (engages at 2,000 RPMs higher than stock from my understanding). I have obviously never messed with changing them so I am unsure what k to get.

I have not done a plug chop by actually cuttin the plug apart to read the color lower on it but I did pull a brand new plug after riding for 2 days, it looked good for a 2-cycle, light brown/tan.

Bear45-70 · Post by **Bear45-70** » Sat Jul 09, 2011 5:14 pm

DKAudio wrote:
PimpinSpree wrote:just get some 4k clutch springs, that should help your take off from the line.

Have you done a plug chop?
4k is pretty high isn't it? How many RPM's do the stock ones engage at? I was thinking about getting some 2k (engages at 2,000 RPMs higher than stock from my understanding). I have obviously never messed with changing them so I am unsure what k to get.

I have not done a plug chop by actually cuttin the plug apart to read the color lower on it but I did pull a brand new plug after riding for 2 days, it looked good for a 2-cycle, light brown/tan.

That coloring tells you what your idle mixture is and nothing else.

DKAudio · Post by **DKAudio** » Sun Jul 10, 2011 5:29 pm

What about the clutch springs? 1k (black), 2k (green), 3k (yellow) or 4k (blue)?

bakaracer · Post by **bakaracer** » Sun Jul 10, 2011 9:00 pm

you dont need to get stiffer clutch shoe springs. if you do then you need to get lighter rollers to tune your trans so that it doesnt feel like the bike is starting off in 2nd gear on take off. the higher stall will make the rollers pushout faster if they are heavy and start to make the belt ride higher on the front quicker.if you want to eliminate the probblem of having to try and figure out what rollers to get to get your bike to run right, just get the new center spring for now. dont worry about all the other after market stuff for your engine. if not your going to have to start all over again.

DKAudio · Post by **DKAudio** » Sun Jul 10, 2011 9:47 pm

Thanks, I'll let you know the results once the new center spring is in.

DKAudio · Post by **DKAudio** » Fri Jul 15, 2011 1:48 pm

Thanks Bakaracer, the 1k spring definitely helped with the mid band.

I took off the variator too and my new rollers already have some minor flat spots! I probably only have 100 miles on them! I filed down the ramp plate to see if that will help.

Anyways, I want this thing to be more peppy yet, don't care a whole lot about my top speed of 38 on flat, that is good enough for city driving. Anything else I can do that is relatively cheap to increase acceleration?

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