Questions & Answers for: breaking down high rpm

...like an unsafe rpm. What could this be? Hi. Check the carbon brushes they may be breaking down. The motor is freewheeling because it is not having to "work". Check for suction..there may be a

high rpm (fast), How I adjust the Idle, L and H screw? Thanks. The H is for when your cutting,it keeps the saw from stalling. The L, is for the saw when at Idle. When the L ,is adjusted right, the saw

i have a 92 s10 2.8. it idles rough and spits and sputters till a high rpm. every sensor is new and the timing is good Plug breaking down.Change the plugs and wires.

...like the carb is running way to lean,this may cause the bike to miss at high rpm,also check that the spark plug cap is in good condition as it may be breaking down under high load ...

...high rpm or the float level being incorrect Mechanically, weak valve springs , failure to use assistant anti rebound springs in the assembly, incorrect valve clearance will also cause misfiring at ...

...down at high revs and a new set may be just the difference.Its the cheapest way to work out if the problem is something else.Its no good getting a heap of other work done first and then putting plugs ...

...down at high rpm Usually if it's missing at high RPM and it has a good set of spark plugs in it, it's usually a fuel problem or exhaust problem. It depends a lot of what you call high rpm's. If the ...

breaking down. It starts good and seems to run alright except in high RPMs. Changed the spark plug and cleaned everything. Make sure you have the CORRECT spark plug... use what the owners manual says.

...at the high voltage leads. If you see sparks, or bluish lights anywhere on the high voltage system it means that the insulation is breaking down and you will then have to replace the HT leads or

down The high speed adjustment screw should NOT be adjusted for full rpm under no load. With it adjusted in that manner the fuel mixture is too lean which will result in scoring of the cylinder walls,