2001-2006 Honda TRX 300EX Sportrax 300EX Factory Service Manual, Page 315Get this manual
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21TROUBLESHOOTING ENGINE DOES NOT START OR IS HARD TO START ENGINE LACKS POWER 21 -1 21-2 POOR PERFORMANCE AT HIGH SPEED POOR HANDLING 21 -4 21-4
3 Perform spark test Weak or no spark- Fa