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youre okay with .040" squish if youre not a WOT'er. if the squish is to small, the piston crowns MAY hit the domes due to the rods stretching at high rpms. if your psi is 180-190, you wont need VP

even if they share a single fuel pump, one cylinder could be starving due to lack of fuel due to clogged jets or clogged internal fuel filter. are you getting a good spark on both plugs? the bad ring on the head..... whats up with that? is the dome fitting loose in the headshell?

youre such a rebel.:rolleyes:

stick with the plugs that are recommended for your ski. only use ngk's! easy way to remember the diff between ES and HS? ES = extended size HS = half size the R at the end means resistor. i dont get the R plugs, even though the manufacturer recommends it. kind of a double standard, i know...

no kidding!

thats the caliper i have. its okay for the money. get what ya pay for.

umi makes kawi style couplers for yami motors. you cant just take a set of 440/550 couplers and thread them onto the crankshaft and shortshaft, but then, ive never tried

thats sucks! and its too bad you didnt pay with paypal like i told you to! :haha: j/k:biggthumpup:

grease here, too.

a starter on a non-hydrolocked engine might do that, but i cant see it spooling up those RPMS when the engine cant even make a full revolution.

most people refer to them as multimeters.

the rear exhaust tube fills up with water which can weight it down

watercraft factory is the most reasonably priced and they offer the best fit, IMHO

i ride both and it has plenty of juice for a flat barrel. ive seen it happen:biggthumpup:

i think that was stated more as a result than a cause.

ive never seen a rod get bent from trying to start a hydrolocked engine. i know it can happen at higher RPMs though. can someone confirn rod bendage from hydrolockage at startup?

$130????? :shock:

sometimes, when the battery is low, the starter relay will stick on a yamaha. that could be all it was.

did it sound as though the engine was revving very high and loud? if so, you could have an air leak, lean situation, or too high of an idle. it will continue to run w/o plug wires when it out of the water in that situation.

i have a riva girdled head that has a pitted dome like that one. ive been running it for about 2 years w/o a single problem.