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Old 24-09-2008, 01:09 PM   #1
Fiddyparts
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Bike: KTMXT 88cc
Update for yx140 engines and jailing 125cc engines

As Fiddyparts is a dealer for TBparts.com (USA)
I would like to let you guys that want more power know about a new product in the tb line up :
extract taken from TBpart.com site
160cc (60mm) Bore Kit for Chinese 124/140cc Engines:
- All aluminum ceramic plated 60mm skirtless cylinder
- High compression 60mm piston with rings, pin, & clips
- Head gasket kit
This will make a huge difference in performance over your stock setup or a nice upgrade to our previous 146 bore kit. Additionally, it is a very quick and easy upgrade as it does not require case boring. The kit includes an all aluminum ceramic plated 64mm skirtless cylinder which will increase your engine displacement to 160cc. This cylinder is lighter than a steel sleeved aluminum cylinder, reduces friction (increasing power), improves sealing, and provides better heat transfer (runs and cools down quicker). Also included is a very light weight high revving piston and a head gasket kit.
Important Note: This kit will only work on Chinese 124/140/146cc engines with a 57mm stroke and a 13mm piston wrist pin. Common models are Pitster/GPX and Thumpstar but there are so many Chinese brands/models that you absolutely need to know your stroke and piston wrist pin size. Many vendors also call 120cc engines "124" so its important you get the actual specifications from your engine vendor or measure yourself. Unfortunately, we are unable to tell you what you have based on a brand name as there are so many unknown Chinese brands. This kit is also recommended for use only with big valve heads such as the common Lifan head with 27/23mm valves. We also will have a new Race Head for this kit sometime in October 08.

If you require any parts/prices for anything on the TB site do no hesitate to drop me a email : john@fiddyparts.co.uk
check out there site for more information and parts :
http://www.hondatrailbikes.com

Thanks
John
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Old 24-09-2008, 01:15 PM   #2
Acidman
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Re: Update for yx140 engines and jailing 125cc engines

nice do you have anything for the 150yx?
i was thinking about the gas flowed head ooracing do for £140 taking it to 19.6bhp
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Old 24-09-2008, 01:27 PM   #3
Fiddyparts
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Re: Update for yx140 engines and jailing 125cc engines

i have the 165 barrel kits in stock and also the V2 roller rocker head which is a copy of the takegawa +r head.

both items will drop straight onto the yx150 and 160 engines
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Old 24-09-2008, 03:22 PM   #4
DarTh LuKe
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Re: Update for yx140 engines and jailing 125cc engines

Quote:
Originally Posted by johnr6 View Post
i have the 165 barrel kits in stock and also the V2 roller rocker head which is a copy of the takegawa +r head.

both items will drop straight onto the yx150 and 160 engines
good to know theres a dealer in the UK for these parts now

my brother purchased a TB Roller Rocker Head from AHP (USA), and it came through with a manufacturing fault that meant it had to be sent back, costed him a fortune in postage twice

I recon the TB head has to be the best thing out there for YX150/160 engines, it makes the bike run like it has a 2 stroke power band

Luke
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Old 24-09-2008, 03:34 PM   #5
chizzy1993
 
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Re: Update for yx140 engines and jailing 125cc engines

Quote:
Originally Posted by DarTh LuKe View Post
good to know theres a dealer in the UK for these parts now

my brother purchased a TB Roller Rocker Head from AHP (USA), and it came through with a manufacturing fault that meant it had to be sent back, costed him a fortune in postage twice

I recon the TB head has to be the best thing out there for YX150/160 engines, it makes the bike run like it has a 2 stroke power band

Luke
Really doubt it makes it like a 2 stroke band
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Old 24-09-2008, 03:52 PM   #6
DarTh LuKe
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Re: Update for yx140 engines and jailing 125cc engines

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Originally Posted by chizzy1993 View Post
Really doubt it makes it like a 2 stroke band
doubt all you want, it changes the characteristics of the engine totally, its really flat at the bottom end and just screams half way throught the rev range like a 2 stroke does. awesome bit of kit.
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Old 24-09-2008, 04:10 PM   #7
Acidman
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Re: Update for yx140 engines and jailing 125cc engines

nice how much is the roller rocker cover?

is it a whole new cylinder head?
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