Gday jake here from Australia im new to the nsr and building bikes !! But i thought i would join this awsome group to kinda help me i love this bike iv pulled it apart and it has B marked on the barrels what kind of top end kit would i need for this ? I have done some research myself but im Still a lil confussed and dont have enough money to buy parts and realise there wrong once they arrive !!! I guess my second quesstion is where do i get this top end kit from ?
Cheers jake and thank you for excepting me into the nsr world !!!

Hi Jake, and welcome to NSR-WORLD.COM

If you take a look at the Online Parts Manual, you will see there are notes regarding piston matching on the crankshaft page:



A "no mark" piston is required for a "B" barrel, but please be aware these bikes are 20-30 years old now, depending on model, and can have had barrels replated (several times in some cases) and may no longer be standard sizes.
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Andy.
NSR-WORLD.COM

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Thanks for the reply the barrels are standed size of 254mm with a b stamp. Ill cheak out the parts page thanks for your help

http://tyga-performance.com/index.php?view=all&cPath=369_380_1621