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Engine suddenly lacks power

Tech Talk for Suzuki owners.

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lj
Posts: 57
Joined: Tue Mar 23, 2004 7:16 pm

Engine suddenly lacks power

Post by lj »

The last two weeks ive been driving on the highway to tafe and in the last couple of days there has been a noticable decrease in power accross the rev range. it started as a flat spot about 2500 rpm. it seems to be getting worse each day too. the idle speed has also dropped about 500 rpm and the auto choke doesnt come on very well when its cold either.

any ideas?
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Joined: Fri Nov 22, 2002 3:55 pm
Location: Perth WA.

Post by nicbeer »

could be the choke sticking on and reducing power.
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Post by MUD-PIGSIERRA »

Could possibly be the shaft bushes worn out and the butterflies starting to jamn, you may find if it is this that some days it seems okay then it doesnt idle then it does....

You can check movement by grabbing each end on carby shafts for sideways movement.
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lj
Posts: 57
Joined: Tue Mar 23, 2004 7:16 pm

Post by lj »

sorry i dont think i was clear enough about the choke. it doesnt stick on, it doesnt come on at all sometimes
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lj
Posts: 57
Joined: Tue Mar 23, 2004 7:16 pm

Post by lj »

also today i noticed if i pump the accelerator pedal between idle to about 1500, the engine just dies but if i do the same thing with the engine about 2500+ it just revs like usual.
just as i pulled into the drive way today the distributor started making a whining noise
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Joined: Thu Jul 19, 2007 11:03 pm
Location: Brisbane

Post by Danzo »

check your water levels, Sometimes if the water level is a little low the auto choke plays up, it seams like its not coming on but it stuffs around with your idiling.

or

check your fuel filters and try emptying your fuel bowl,
Could just be some shit stuck in your jets
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