82' xj750 questions

Buckblackhoof · Apr 24, 2013

so, it has been a while since i have been on here, but now i could use some advice.

i bought this bike from a friend years and years ago, i use it for everything, but been having more and more problems. some problems were from the previous owner, but now they have gotten worse. i have tried to fix what i could afford but right now, im not making enough to spend on this, so im wondering a few things......

first off. im not very well off fixing this bike by myself, i do have some knowledge, but im a little more paranoid of screwing something up and then being without a bike...i work better when i have someone helping me.

so im wondering, with the problems this bike is causing me, it being at almost 61 thousand miles, would it be worth it to fix it?

i have an oil seapedge (not leaking, just seaping) comeing out of the cam heads, the parts would be about $120 to get, i could save up for that

the boots for the carb and airbox could use replaced, some are cracked.

the timing has gone off and i cant seem to keep it at a good level.

the biggest problem i am having right now is after a short trip, the bike gets hot and then when you try to start it up again, it makes the starter grind some. makes it hard to start.

theres a few other things, but those are the biggest ones right now.

is it worth keeping it and fixing it? i ride around 10k miles a year, its my main and only transportation right now. i do have a friend who helps me but im not sure if this bike is worth it anymore.

750E-II_29Rbloke · Apr 25, 2013

Buckblackhoof said:

.........so im wondering, with the problems this bike is causing me, it being at almost 61 thousand miles, would it be worth it to fix it? Depends entirely on you & how much you want to fix it to be honest, I'd say yes

i have an oil seapedge (not leaking, just seaping) comeing out of the cam heads, the parts would be about $120 to get, i could save up for that You mean the valve cover gasket? Chacal on here has the gasket and the donuts (the bits that go on the bolts & actually provide the pressure to hold it down without leaking) so that's not a problem. Might as well check & set valve clearances while you're in there as that could be some of your other issues right there

the boots for the carb and airbox could use replaced, some are cracked.
the intake boots on the engine side can be repaired in-situ (the bolts are known to snap if you try to remove them) there's a write up in FAQ suggestions for that. The airbox to carb boots are easy enough to get (Chacal at XJ4Ever again is likely to have what you need, or the for sale area on here)

the timing has gone off and i cant seem to keep it at a good level. how do you mean it's gone off? Valve timing? could VERY likely be tight valves at that sort of mileage. If you mean ignition, Ignition timing isn't really adjustable as such & should stay correct for many years, are you sure the pointer isn't bent (or if you use a xenon strobe hooked up to the bike battery it can cause false readings, best to use separate battery)

the biggest problem i am having right now is after a short trip, the bike gets hot and then when you try to start it up again, it makes the starter grind some. makes it hard to start. what type of oil do you use? Need to post exact specs. You should use 20w40 mineral (NOT synthetic or semi) motorcycle wet-clutch specific (or at the very least a max API rating of SG). You may need a couple of changes to flush out wrong oil if used. The other thing it could be is a weak battery or starter not spinning fast enough to engage the starter clutch properly
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82' xj750 questions

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