2004-2009 Honda TRX450R/TRX450ER Service Manual, Page 515Get this manual

2004-2009 Honda TRX450R/TRX450ER Service Manual, Page 515

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TROUBLESHOOTING
Starting enrichment (SE) valve stuck open or damaged ('04'05) NOGO TO STEP 55 Spark Test Perform spark testIs there weak or no spark? YESFaulty spark plug Fouled spark plug Loose