CBR 150 advice pls.

  #1  
Old 05-28-2009, 08:18 AM
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Default CBR 150 advice pls.

Hi im new here nice forum! I own a cbr 150, and have just installed a new stainless steel endurance exhaust, and a K+N air filter. since i done this the bike slightly hesitates from 5-7000 revs when full throttle. it never donr this before.

does my carb need tuning or could it be something else? is it hard to do? any pointers as to where the screw is i need to turn on the carb.

many thanks!

paul
 
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Old 05-29-2009, 07:06 AM
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20 views and no replys can anyone help me pls?
 
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Old 05-31-2009, 08:00 PM
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You need a jet kit. The bike now has a lean spot because of the parts you have added.

I know the CBR125 is fuel injected but It sounds like your CBR150 is carb'd. Its not as simple as just turning a screw, the jet kit will come with a new jet, new needles and such.
 
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Old 06-01-2009, 03:59 AM
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Thankyou for your reply Syphen. i turned the mixture screw, but it didnt help at all. i will see if i can buy a new jet kit. Or will i be better off buying bigger carb 28mm theyre quite cheap?
 
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Old 06-02-2009, 03:05 PM
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I don't know.. I'd jet the current carb but it is entirely up to you.
 
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Old 06-06-2009, 01:05 AM
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Rejet your current carb.
Fitting a bigger carb won't solve your problem.
 
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Old 04-22-2011, 08:34 AM
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hi guys, im just a newbie in this forum and as well to my current bike (cbr 150 carb type)

just want to ask about A/F setting, which turn is richer / leaner
and what is the model/size of the carb?
thanks.
 
  #8  
Old 04-22-2011, 08:42 AM
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Originally Posted by aianezz View Post
hi guys, im just a newbie in this forum and as well to my current bike (cbr 150 carb type)

just want to ask about A/F setting, which turn is richer / leaner
and what is the model/size of the carb?
thanks.
Your best bet is to get a manual for the bike. I don't know if a PDF copy is available or if you can find a hard copy somewhere. It should have the specs.

http://lmgtfy.com/?q=cbr150R+manual+pdf

If its a CV carb (I assume it is) the A/F or mixture screw if you want to call it that only controls idle circuit. It won't do anything for hesitation in upper rpms. This is where you need different jet sizes and needle position settings.
 
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