Questions & Answers for: spark plug goes halfway

spark plug threads. the plug goes in like halfway, then starts to tighten, but never fully tightens, just turns. should i run a thread chaser thru it? tap it? helicoil? and my followup question, whats

...SPARK ON MY MACHINE. IT RAN FINE THIS SPRING (EVEN WITH LAST YEARS FUEL) THEN JUST QUIT. I REPLACED THE PLUG AND IT RAN FOR A FEW MINUTES THEN QUIT. I PUT A NEW PLUG IN AND FRESH GAS, TOOK OFF THE ...

...spark plug out and try cranking it,if it frees up instantly the plug is too long,if not,make sure the blade moves free of any obstruction,and with the plug out,shine a light inside the hole while ...

...spark plug wire position, remove cap, remember or mark where rotor position is, then insert in engine, as in goes into slot, it will turn slightly,notice how far it moved asit went in, remove again ...

...spark plug caps no problems. The only thing I did recently was pour some chevron techron concentrate plus to the fuel ( 4ounces for a 4 gallon tank). The bike has not been rejetted its stock and I ...

...goes down next to ANY Black wire, down in the socket hole, and touches the metal terminal.Power Supply plugged into power, the U-shaped jumper wire is used.The contact made is no more than 2 ...

spark plug on no1 cylinder then bring the piston done to about halfway then remove the rocker cover and look at the cams on no1 now turn till inlet is closed and cam is pointing up and to the left and

...spark plug out of either one or four and use a long thin screwdriver to locate TDC ,then cam should be on NO1 cylinder with exhaust just closed and exhaust coming around to open then look at the cam ...