Recent content by Curtisun

It has been my experience that ethanol does give you less time before the fuel goes bad and you have carb trouble. But even non ethanol fuel can do the same thing and give you problems if it sets up long enough. I have come to the conclusion it is not fully the ethanol that is the problem but...

In the pictures I see rusty coil and flywheel. The first thing I would do is take some sand paper and clean the coil metal surface where it is near the flywheel and then clean the flywheel of rust. Re-gap the coil to flywheel. I have found that rust decreases the magnetic flux from the flywheel...

Then I ask why it specifically says to replace head bolts in manuals for aluminum block and heads. I had a 4-wheeler with aluminum block, 650 cc that keep blowing head gaskets after a few hours of running. I made sure there was no cracks or warpage. Come to find out after I finally found a...

Sounds like it could be in the governor. If it is pulsing low under load, then going back high the governor is opening the throttle it could be adjust wrong, your carb is not supplying enough fuel to maintain rpm, valves misadjusted, or you compression is low.

Replace the head bolts is one of the main things. Once a bolt has been torqued it changes the metal and can cause them to lessen the torque when the engine gets hot. What I do is first take emery cloth and a flat block and emery the head and block clean of all discoloration, then I put on the...