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tzr 125 carb!help!

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icle red dwarfOffline
Find me a Road!
Find me a Road!
Joined: 29 Apr 2004
Total posts: 10
Location: irlande!
hello!
i was wondering does anyone know how to set the oil air screw on ths carb? i had it set at by screwig it all the way in and unscrewing it 1 and a half turns out but this was running her so lean my spark plug clogged up. blue smoke is pouring out of the back of her and the exhaust port is leaking unburnt two stoke. its gone through 1and a half litres in 3 days and 300 miles?

please help. im lost!


Post Posted: Wed May 19, 2004 12:25 pm
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gavinOffline
RD/RZ Jedi Master
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Joined: 03 Aug 2003
Total posts: 6395
Location: cheshunt, herts, uk
the air screw has nothing to do with the oil. check your oil pump!


Post Posted: Wed May 19, 2004 12:42 pm
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icle red dwarfOffline
Find me a Road!
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Joined: 29 Apr 2004
Total posts: 10
Location: irlande!
i was told the screw was the oil air scew????
so is it just an air screw? or is it an oil screw?
can the oil intake be controled by the carb or is it all done by the pump?
how do i adjust it?
as you may geuss i dont know alot?


Post Posted: Wed May 19, 2004 12:51 pm
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writebikeOffline
Throttle Demon
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Joined: 24 Nov 2003
Total posts: 3085
Location: Notts
the air screw is exactly that the air control screw
the oil pump is adjustable by removing
the right hand cover and lining up the marks on the pulley
at both closed and full throttle

it sound to me like yours could be fully open all the time


Post Posted: Wed May 19, 2004 1:34 pm
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icle red dwarfOffline
Find me a Road!
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Joined: 29 Apr 2004
Total posts: 10
Location: irlande!
they wont line up? when the trottle is closed its at 1 not 0? it goes to 2 when the trotltle isnt fully open? any ideas? thanks for your help again.


Post Posted: Wed May 19, 2004 1:46 pm
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Don 1Offline
All-gear Wheelie!
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Joined: 03 Aug 2003
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Location: Shropshire, UK
TZR 125 1987-93 Mr Haynes says :-

"The pump pulley has three alignment marks, a round dot and two engraved lines, one on each side of the dot. The pump alignment mark is the shorter and lower of the two engraved lines. To check the pump synchronization, rotate the twistgrip slightly until all freeplay has been removed from the cable. At this point the alignment mark on the pully should be directly with the pin that protrudes from the centre pivot of the pulley. If this is not the case, slacken the cable adjuster locknut and turn the adjuster, situated on top of the casing, to obtain the required reading. Open and close the throttle a few times, then recheck the setting. Repeat the adjustment procedure as described , then tighten the pump cable adjuster locknut."

Simple.


Post Posted: Wed May 19, 2004 3:50 pm
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