2004 Yamaha TT-R 225 Logo

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Posted on Jul 19, 2009

Ttr 230 high RPM's looses power sputters / new

Ttr 230 high RPM's looses power sputters / new plug

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  • Posted on Jul 25, 2009
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Joined: Jul 25, 2009
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LOSE OFF POWER ON TOP END,IS A GOOD INDICATION OF NOT ENOUGH FUEL..TRY AQ BIGGER MAIN JET

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Get a flywheel puller from supercheap or ebay etc?
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My Son's 2007 TTR 230 sputters and has trouble starting. The guy we bought it from said the gas sat for about a year. We pulled the carb off and had it cleaned. Any suggestions?

When you cleaned the carb, did you remove ALL of the jets and make sure you can see light through them? Also, some pilot jets have holes on the sides that plug up and are almost invisible. Look closely, and spray carb cleaner through all passages and make sure it comes out somewhere else.
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Looses power at 3500 rpm

Blocked gas filter is most noticeable at HIGH SPEEDS.

If it looses power at only 3500 or so rpm's, most likely culprit is the throttle position sensor also known as TPS.

Does ur engine burn oil? Could be low compression, but unlikely.
Could alsobe, but unlikely, the coil giving a weak spark.

Whats ur mileage and is it an automatic tranny or manual? Give more details please as to what ur car does, IE sputters, jerks, weird noises, engine revs high but car doesn't go faster, etc.
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