Having problems with your Honda Maxus Prosumer MX5223 Pressure Washer ?
Pressure washer problem
\015 Honda gx340. pump appears to be working fine. motor starts ok and runs at low speed ok. mid rpms it starts to miss here and there. high rpm it starts to miss frequently. after 5-10 mins. at high speed it releases the occasional pop with a flame which disappears instantly. does this about every 20 seconds or so. if I turn down to low speed the engine smooths out somewhat and stops backfiring. it still has substantial cleaning power at low rpm. took the head off, checked valves, seals, piston etc. all appeared to be in great shape. cleaned spark arrestor. spark is strong at plug. checked kill switch, ran with coilwire to killswitch disconnected and engine would start to miss if I pulled gently on coilwire. took cover off to check for grounding out but wire was in perfect condition right back to the coil. coil was fastened securely. put it all back together and it ran exactly the same as before I started troubleshooting. oh ya...little faint puffs of black smoke accompany the misses at high speed. it smells like its running rich. Im not knowledgable with carbs which is why I havent opened that yet. suggestions? MY HONDA GX340 MOTOR ONLY RUNS WHEN CARB IS PRIMED AND THEN SHUTS DOWN AFTER ABOUT 10 SECONDS\015
Repair Help & Product Troubleshooting for Honda Maxus Prosumer MX5223 Pressure Washer
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