grunt
Thrash Merchant
Posts: 365
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Post by grunt on May 21, 2010 15:15:19 GMT 1
whilst out riding today i caught a glimps of a white and blue 2 stroke only saw the back but i thought the was an rdlc chased the bugger up the road and it was the one i have been looking for ,for the last year. the rider was an old fella anyway got chatting and his son tuned his bike and made it go like a missle and then they made his pipe together fitted and 26mm tzr carb and christ did it go he really seemed to know his stuff about tuning it so he told me what to do got myself a days work now he has a whole house of 125lc spares engines also a 350ypvs sitting wasting away couldnt get his number as he wouldnt have known how to work a mobile or the internet ;D his gearbox oil had been in there for 5 years i got afew snaps of his bike
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Post by Norbo on May 21, 2010 15:46:42 GMT 1
Thats a strange looking pipe i must say . looks like a propper old school rat racer
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grunt
Thrash Merchant
Posts: 365
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Post by grunt on May 21, 2010 21:43:50 GMT 1
i waited a year to find him seen him twice on my rd50 going by but at which point when i turned round he was gone
this was because of the engine i tried catching him but not a chance it was like a missile haha
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Post by mellow on May 21, 2010 22:20:08 GMT 1
ha u nutter!! if i had someone chasin me id nail it n lose em or get off n be ready for a scrap ;D
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grunt
Thrash Merchant
Posts: 365
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Post by grunt on May 21, 2010 22:41:09 GMT 1
ha u nutter!! if i had someone chasin me id nail it n lose em or get off n be ready for a scrap ;D haha i was tempted to have the engine ran great even without the balancer in the crankcase which he forgot and left out
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Post by twostroker on May 22, 2010 0:13:42 GMT 1
grunt if your looking at tuning your 125lc,i had mine done 2 years ago by fahron,he did a great job and fitted a 175cc liner and piston kit,you will need a bigger carb and a exhaust made to suit it but it will certainly be a big increase in power,mine would easily rev right round in top gear at over 100 mph on the speedo,a fair bit of hassle and the clutch never lasted long before it would slip
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grunt
Thrash Merchant
Posts: 365
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Post by grunt on May 22, 2010 17:40:45 GMT 1
well i gonna do what he had done as it was only a subtle mob and a tzr26mm carb and it flew
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Post by twostroker on May 22, 2010 18:51:14 GMT 1
what was the subtle mod? bend reed stops out? file exhaust port so its 1mm higher?
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grunt
Thrash Merchant
Posts: 365
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Post by grunt on May 22, 2010 23:20:13 GMT 1
dont touch the exhaust port hight ect just clean polish so its nice smooth and shiney get rid of all the black shit inside inlet ports clean them file all rough edges//bits with a dremel and polish then get a tzr26mm carb he said the standard carb really holds them back i already have a small can mircon .5mm skimmed off head 10w barrel leader kit in 12a carb boyseen dual stage racing reeds iridium sparky ,foam pod filter, high compression racing piston then i will change gearing slightly as i get abit anoyyed with the from wheel lifting all the time so bit more top end will be good
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Post by twostroker on May 22, 2010 23:42:37 GMT 1
sounds good,dont be tempted to polish the inlet side by the reed block tho
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Post by carlos on May 23, 2010 20:19:56 GMT 1
sounds good,dont be tempted to polish the inlet side by the reed block tho Why not?
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grunt
Thrash Merchant
Posts: 365
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Post by grunt on May 23, 2010 21:41:36 GMT 1
might mix in with fuel and damage the barrel i suppose as with the exhaust side it goes out not in
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Post by twostroker on May 23, 2010 22:56:01 GMT 1
sounds good,dont be tempted to polish the inlet side by the reed block tho Why not? im no expert but if the inlet side was polished the fuel/air/oil mix wont atomise as well as if the surface is rough and could potentialy form "droplets". if you look at a tuned barrel with a enlarged inlet most are finished with a corse production paper ie 80 grit and original barells have coses casting marks. i would personaly remove the barrel to clean up the ports
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Post by carlos on May 24, 2010 16:56:01 GMT 1
I know on 4 strokes the rough surface causes turbulance so mixes the fuel and air better, but this shouldn't matter so much with a 2 stroke as it can mux when it goes into the crank and transfers etc etc
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