i had a stock 760 head with 760 cylinders. i just took it to the local automotive shop and tole them .40. bumped me up to 180psi. ran perfect going on 11 seasons now.(knock on wood)
firing order on a 4270 shouldnt matter.now take the plugs out and lay them accorss the head. now spin the engine with the starter and see what happens at the end of the plug. if your coil is good, you should be getting nice blue lightning bolts at the electrode. if you dont, try adding a...
wow. ive been up all night, but i read all that with enthusiasm. good to know. i agree, pump fuel is very inconsistant. i happen to run av fuel , but i run a 50/50 mix of av and 93 octane.
I think he means chep compared to after market. Ive seem 701s and 760s for 4 5 and 6 hundred dollars. That is pennies compared to what we all want to be running which are 3 and 4 thousand dollar motors. If his seal at the starter is good, I bet There's condensation in that motor at worst. If it...
ok. well youve probably got more than a grand into that motor then. i would take it apart to be sure. if it was a stocker, I'd just beat it like morning wood!
is your motor all o-ringed or something? cause you're looking at exhaust and headgaskets and intake gaskets and timing cover gaskets to take a motor apart and clean it. it takes me at least an hour to get the surfaces all clean for new gaskets. then you gotta shim the motor and make sure its...
just run it. if its got a little water in it, you're gonna wanna get it started asap. if its a stock motor, just run it. i wouldnt go disassembling it unless it doesnt start.
What class should I sign up for with these old skis and lack of JetSki racing experience (I currently road race motorcycles across the south, so I'm familiar being in a race environment [Flags/holding a line/rubbing elbows, etc])
Beginner
What do I need to do to these skis to be tech legal? They...
ski sounded like it was running on one cylinder. unplugged the spark plugs and tested the msd total loss for spark. spark tested good on both cylinders. runs fine out of water ,but put it in the lake and it wont rev past 2 or 3k rpm. both black jacks delivering fuel properly. i chocked it up to...
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