Question about Honda 8 HP Engine
Motor sat for almost 2 years .. flushed fuel tank and lines. broke down carb completely cleaned and blew out. motor starts fine now and idols fine .. hit the gas and let off and its backfiring pretty good.. timing, valve, ??? Any ideas would be great.. Thanks in advance... Joe
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Posted on Jan 02, 2017
SOURCE: pressure washer stalls
Pressure washers work under very dirty conditions, no wonder they encounter engine problems. Here are a few pointers from a former pressure pump tech. The unloader is a source of engine overloading however this can easily be checked with a pressure guage attached to the gun with a tee fitting having the guage and the normal tip used for the unit. The pressure should never rise over rated pressure. The pressure should drop considrably when trigger is released. The life of the pump and engine can be increased by setting max pressure to 75% of rating. Most engine problems are from following conditions:
Leaking or misadjusted valves; clogged muffer /spark arrester; weak spark coil that is about to fail completely; kill switch/oil sensor wiring and or sensor mal function; gas cap not venting properly causing vacuum in tank and wet or dirty air filter.
All these problems easy to check, fastest repair is to disconnect oil sensor wire to check oil safety system. Then temp replace coil with known good coil. Loosen muffer bolts to check for clogged muffler. Temp run engine without gas cap to check for vacuum. Finally if everything fails, run the engine with carb cleaner spraying directly into the intake. If the engine continues to run with carb cleaner then the problem is fuel delivey and faulty carb. enjoy
Posted on Dec 01, 2008
Your carberator has crud, or rust, or glaze in it. The carberator will have to be removed, soaked in cleaner for three hours and then rebuilt using the proper carberator kit from any auto parts store. If you need to hire this done expect to pay about 35 dollars.
Posted on May 20, 2009
Pour a large amount of carb cleaner into the gas tank
With choke on full, pull cord often to work carb cleaner into carb and then let it sit for a day or four.
Your carb is dirty for sure.
The venturi and jets are so small on these carbs that they are easily clogged with gunk from old gas
Posted on Aug 29, 2010
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