Question about 1999 Sym Husky 125

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Chain &sprocket worn can a different type be used as well as recomended sym parts

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You can check the pattern used on the Sym and see if one of the bigger bike companies use similar stuff.

My guess is you are noticing the Chinese sprockets and chains are prone to early wear out and want to change to something a little more hardy.

The parts this bike is made of are probably also used on a lot of Japanese bikes....the only difference being the quality of materials used. A lot of the low dollar Chinese stuff is cheap because they don't use the stuff spec'd out by the Japanese companies.

Posted on Feb 05, 2010

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WEN 6014: Motor is running, but chain doesn't move. Chain sprocket seems fine, cogs are only slightly worn, sprocket fits perfectly, no wear. Is there an internal clutch or connector? Motor worn out?

There is a clutch behind the metal housing where the chain sprocket at the engine end attaches to the chain . There are wear parts with springs on them that have to be changed. ChainSaw Shed Chain Saw Parts for Wen Wagner Brand Chain Saws Chains Bars... You can get parts here.

Sep 15, 2016 | Garden

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Mantis tiller repair drive unit

you will have to tear down the unit and check it for stripped out gears, chains and may have to change out the unit as a whole assembly.i don't recomend putting a new chain on a worn sprocket as it will wear out the chain quickly. hope this helps.

Sep 02, 2014 | Garden

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My rear derailer needs adjusting, it slips in between gears.

As mentioned above, it could be many causes but assuming that the drivetrain is in proper working condition it is a simple matter of cable adjustment. If your derailleur has a "barrel adjuster" on it your good to go. This is usually a plastic sleeve that sits right before the cable housing enters the derailleur body. If you shift to a higher (smaller) gear & the chain doesn't follow you want to turn the adjuster the direction that you want the chain to go! In that case it would be clockwise. If you shift to a lower (bigger) gear & the chain doesn't follow, you'll turn the adjuster counter clockwise. However, newer derailleur systems like Shimano's Shadow series or Sram's derailleurs, you'll notice that there is no barrel adjuster at the derailleur end! So... you'll have to use the barrel adjuster at the shifter end. Good Luck!

Aug 03, 2013 | Cycling

1 Answer

I have a 05 honda cbr 600rr, im looking at changing the chain and sproket. what size and lenth and all that stuff do i need to get

1st. - NEVER change sprockets without changing the chain..and vice-versa!! - they need to be replaces as a set...they wear our almost equally.. ie - a worn out chain will wear out new sprockets... A new chain will get stretched out by worn sprockets real quick!
Its east to tell what you have...
  • OEM sprocket size: 16/43 - 2.68 ratio.
1. Count the teeth on your front sprocket.
2. Count the teeth on your rear sprocket.
Compare yours with stock(OEM)..
Now, if your sprockets match the stock sizes - count the number of links in your chain...(count the inner links).
If the sprockets are different sizes you adjust the chain by that number using inner links. - Usually people go smaller on the front or a larger rear.. this increases the ratio to give a quicker take-off - (more acceleration).
15/43 = 2.86
15/44 = 2.93
15/45 = 3.00
15/46 = 3.06
..when you get a new chain... better to get one a couple links too long than one link too short!!
Your local dealer will be more than helpful!!

Jul 28, 2012 | 2005 Honda CBR 600 RR

2 Answers

I need the specifications on a 1996 Kawasaki Ninja Zx6R Rear Wheel Chain. I need to buy a new one and don't know what size/specifications I need.

You need the pitch, roller width, roller thickness (All in all just the chain type) OEM is a 525, 108 link chain with a 15 tooth front sprocket and 40 tooth rear.
It is best to change sprockets and chain together. A stretched/worn chain will damage the sprockets which in turn will lead to premature wear on a new chain.
Best way to identify pitch(and chain type) is to measure the sprocket width(thickness).
  • 0.227" (5.76mm) - 520 chain
  • 0.284" (7.21mm) - 525 chain
  • 0.343" (8.71mm) - 530 chain
Technically speaking they all have the same pitch (5/8") as you can see they are of different widths. Please note that a 420 and 425 have the same widths as 520 and 525 but their pitch is different(0.5")
Further you will have to decide between stock, O-ring and X-ring. X-ring being the most expensive(and supposedly longest lasting) but in my experience lasts the same as an o-ring chain.

Aug 11, 2010 | 1996 kawasaki ZX-6R Ninja

1 Answer

How do I tighten the chain on my 2002 750 honda shadow

You really should go to a shop to have it done, because it may be worn beyond service limits, and they can check that and the sprockets for wear.

But anyway, there should be some type of adjustment cams/bolts on the rear axle, the axle nut has to be loosened enough to adjust these on each side of the rear fork. Make absolutelyy sure the chain runs straight on the sprockets if you decide to DIY. The chain also has to have to proper amount of slack/tightness to compensate for the difference in the swing arm mounting point and the chain drive sprocket point axis.

Jun 09, 2010 | 2002 Honda VT 750 CD Shadow A.C.E. Deluxe

2 Answers

Motor turns --sprocket or chain doesn't

I'm assuming your kill switch is not engaged, the front handle should be pulled to the rear. It's normal to have some damage on the sprocket from loose chains catching on the corner so I doubt you need a new one. The motor turns? I'm assuming you're talking about the clutch, and if the clutch spins but the chain does not it sounds like your bar may be damaged or as you said the sprocket may need to be replaced if it's seriously been misused.

Apr 15, 2010 | Remington 16" Electric Chain Saw

1 Answer

Honda vibrations

This one's a little tricky cause it could be a few things.
I'll try suggestions in the order of probability
  • Worn out chain & sprockets.(Or chain too tight or has a tight spot) Check this by raising the rear wheel off the ground,in neutral & spin the back wheel. If the chain & or sprockets are worn you'll feel it & hear it when you spin the wheel. If it has a tight spot,set the chain tension at the tight spot & lubricate well
  • Loose engine mounting bolts. If loose re- tighten.
  • Worn front sprocket shaft bearing. to check this(if chain seems ok) Remove the chain(note joining link direction of the circlip. The closed end faces the direction of rotation)Bike in neutral, turn the sprocket shaft by hand. It should turn smoothly.If it is notchy thats not good. It is a major job to change & can be expensive(So i hope its the chain &/or sprockets)
  • Broken tooth on a gear in the gearbox. I hope not as again a more difficult & expensive repair.
Hope this helps you narrow down your problem
Regards Andrew Porrelli

Dec 03, 2009 | 2001 Honda Cityfly

1 Answer

My chain will tighten up and slacken with one rotation of the wheel

chains & sprockets are subject to extreme forces & adverse conditions.adjust chain to recommended specs at the 'tight spot',with riders weight on saddle.excessively worn chain is denoted by being able to pull chain away from rear sprocket teeth enough to expose 1/2 a tooth.worn sprockets will have 'pointy'teeth.if wheel sprocket is worn,don't ignore drive sprocket.use a quality lube designed for exposed chains.

Sep 26, 2009 | 1993 Suzuki RF 600 R

1 Answer


the chain type is 428. take chain off and count # of links.give those 2 #s to parts guy. when you replace a worn chain,the front and rear sprockets should be replaced at the same time, because worn sprockets and a new chain will cause accelerated chain wear. count # of teeth on sprockets & give those 2#s to the parts guy also. if you want a longer wearing chain, buy one w/ the highest tensile strength,once again, parts guy can help you find that.dont forget,lube & adjust chain as needed.

Feb 17, 2009 | 2003 Suzuki VL 125 Intruder LC

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