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Help...Bike wont run properly...

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Type_Mo
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Joined: 30 Jun 2004
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PostPosted: 13:58 - 16 Apr 2006    Post subject: Help...Bike wont run properly... Reply with quote
ive fitted a big one front pipe to my dt125 and its not running right, ive also got an open air filter. Ive tried a 210 and 220 main jet and kept playing with the idle and mixture screw. But still not havning any luck. What else can i do to it?
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SoND
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Joined: 10 Jul 2005
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PostPosted: 14:02 - 16 Apr 2006    Post subject: Reply with quote
What's your spark plug telling you?

Is a 220 main jet not really big?
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bidman
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Joined: 01 Oct 2005
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PostPosted: 14:08 - 16 Apr 2006    Post subject: Reply with quote
Quote:
ive fitted a big one front pipe to my dt125 and its not running right, ive also got an open air filter. Ive tried a 210 and 220 main jet and kept playing with the idle and mixture screw. But still not havning any luck. What else can i do to it?


Late model dt125's standard jet size is 210. If you have fitted a new pipe and air filter you should be looking at least around the 240-260 main jet size. You should never mess about with the mixture screw unless you you know what your doing.
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Type_Mo
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Joined: 30 Jun 2004
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PostPosted: 15:02 - 16 Apr 2006    Post subject: Reply with quote
My Standerd Jet was a 240

I then ran a 210 with the open filter.

ive just tried the 220 today with the pipe.

Shall i try it with the 240?
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SoND
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Joined: 10 Jul 2005
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PostPosted: 18:07 - 16 Apr 2006    Post subject: Reply with quote
If you're letting more air in then you should be letting more petrol in, not less Shocked

If standard was 240 you're probably going to need an even bigger one.
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Old Thread Alert!

The last post was made 19 years, 305 days ago. Instead of replying here, would creating a new thread be more useful?
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