The front of the engine has a set of gears that drive(from the crankshaft to the cam shaft, then to the side where the hydraulic pump (If it has a live hydraulic system, meaning that it will raise the bucket with the clutch pushed in) and distributor are located The cam shaft is driven by a keyway that locates the lobes in relation to the pistons. If the system wears the gear and keyway, it can fail with backfiring as a result. Other causes can also happen in the distributor system. Do a compression check. Buy or borrow a compression tester (make sure it fits the larger size spark plugs. Open the throttle all the way open, spark plugs all out, Ignition off, and fuel turned off. Crank the engine for at least 5 fill compression cycles. and read the gauge. It should be more than 120PSI. do the remainder, and tell us what the reading is. We will go from there. JimN
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Today's Featured Article - Product Review - by Staff. When we finally checked out the 3000 PSI North Star, the whole story chaned. This unit was equipped with an 11 HP Honda engine with fuel shutoff, adjustable flow and optional syphon degreaser dispenser. It didn't have a pressure release or electric start to facilitate easy starting but according to the instructions, simply pulling on the trigger while cranking was sufficient. This method of starting proved more than adequate and kept the cost down on the unit. It had all the important
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