Question about Kymco Motorcycles

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Hello ive just gotten home from work and noticed my kymco wont go over 30mph now it shakes while riding and is really loud and laggy when rides baring in mind its a 125cc any ideas?

Posted by Michael Cottam on

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5 Related Answers

Richie_asg1

Richard Perkins

  • 1036 Answers

SOURCE: Tire Noise

Hi,
This could be a combination of things. I'll suggest them and see how you go.

The tyre pressures have the most effect on road noise. Strangely there is more transmitted noise when tyre pressures are correct. Under inflation cuases a cushioning effect, whereas over inflation can make the tyre profile balloon reducing road contact.
Check that they are in limit.

Tyre tread profile can produce a humm if there are straight lateral bars. Good designs use offset bars to reduce this effect.

Cover any loadspace, and ensure sound deadening panels are in place.

Shock absorber top and bottom bushes come in different relilliancies. Hard provide tighter handling - but allow more road noise, soft absorbs noise, but allows more roll.
These bushes harden over time - thus transmitting more noise.

Shock absorber seals can swell enough to make a shock "sticky" - thus transmitting more noise.

Other suspension bushes likewise harden and become more solid with age.

So, - If it is bothering you, Check tyre pressure and condition. Cover loadspace with sound deadening material - A rubber mat in the boot works wonders.
Inspect rear shocks for wear/ corrosion.
Remove and replace bushes with new.
Replace shocks with new if required.
Inspect suspension bushes, & replace if cracked or perished.

This should solve the problems for you.

Posted on Jul 04, 2008

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csmock132

Clint Smock

  • 4669 Answers

SOURCE: 2002 Merc Mountaineer awd v-8, when backing up vehicle with wheel

The steering wheel shutters? How long has it been doing it?

Posted on Mar 19, 2009

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Anonymous

  • 112 Answers

SOURCE: WHAT KIND OF TIRE FRONT AND REAR

I have a roadliner and have the same problem,they only offer two differant bad tires for our bikes,the dunlop and the bridgestone,you could bump up to a 200/55/17 it will fit and wont change the geometry of the bike.I have been waiting for avon to make tires to fit the bike.I havent heard of the conversion to an 18in tire,will have to look into this.

Posted on Mar 31, 2009

co7196

Ned C Cook

  • 3433 Answers

SOURCE: Backfiring, flames coming out of exhaust and cutting out

Sounds to be a timing problem or burnt exhaust valve.. A compression test will tell the story.

Posted on Jun 02, 2009

steve noel

  • 750 Answers

SOURCE: 2000 GMC Jimmy 4 x4 ride has gotten very bouncy

what type of dampers (shocks) were used? gas or oil? the gas units should help, also check tyre preasure, if over inflated it will give you that kind of ride,also check springs for fade,

Posted on Oct 18, 2009

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