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The TTR250 FAQ web pages -> TTR250 -> Repairs and maintenance -> New piston rings and clutch pads
Post Info TOPIC: New piston rings and clutch pads
Jimbo125


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New piston rings and clutch pads
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I have a 96 ttr and it blows alot of white smoke. Im pretty sure it needs new piston rings but i would like to make sure first.

 

Also I think there is a problem with my clutch because when I go into third gear or above while wrapping on the throttle the engine starts reving but I dont build up any speed till it stops slipping it seems and the power kicks in again. its like the clutch lever is half pulled in or something but i have checked that its lined up with the mark on the motor and it seems in line. I havent been able to find any info online about it so please help.

 

I have found this piston and rings set but im not sure about its quality/sizing.

http://www.ebay.com.au/itm/Piston-Kit-with-Pin-Rings-Clip-Set-For-YAMAHA-TTR250-STD-Bore-Size-73mm-New-/221957344040?hash=item33adb04b28:g:RSIAAOxyBvZTWMT7



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krum downunder


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I'd steer clear of those cheap Ebay pistons.

My friends ttr lasted 5mins before the piston completely disintegrated, it was cheaper for him to buy a new (secondhand) bike than

fix the ttr. 

 



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TTRfan


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Welcome to the forum! biggrinbiggrin

I agree with Mal - steer clear! Try and buy genuine Yamaha, Wossner or Wiseco - all tried and tested with good pedigrees wink

If the clutch pointer is in the right position and you have some free play on the cable then you are going to need new clutch plates to stop the clutch slipping.

Brian



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Jimbo125


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thanks guys what kind of price range are the pistons that you suggested (yamaha, wossnor, wiseco)

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TTRfan


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You can see the Totally TTR prices here but you can probably do better buying locally. Just put "TTR250 piston" into eBay or Google and see what you get wink

Brian



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admbnm


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good evening,it sounds quite bad,what sort/grade of oil are you using and how much are you burning,all the best

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Jimbo125


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Ive been using Penrite 10w-40 in it. it hadnt had a top up for a while then i filled up the oil and it became real smokey


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