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well it has to go through an inspection. the bike was not stolen, but rather has been sitting since the early 80's before we switched our registration to computers up here in canada. i can put it back on the road but this inspection is pricy, and get worse if it does not pass. i bought this bike...

ok so, went to register the bike, and the serial number is not clean....not a Canadian motorcycle! DAMMIT!!

check oil pressure? remove both engine covers and look inside for metal. take off oil filter and inspect for metal, if you find any i would yard out the block and tear it down to little bits and see what is up.

its a 55w headlamp, its wayyyy brighter than a stock one. and the battery is pooched got to get a new one. going to try switching the head lamp and replacing the battery before i rip the charging system apart.

The way the fins are positioned mainly. Could have been modified but I don't know. If it has a big bore kit that cyl block must be different or machiened. Could be factory, hard to say.

Ok, how do I turn the headlight off? Install a switch on the ground lead for the light?

well a few things it can be. choke stuck on? how are the boots on the carbs(cracks, splits or loose) ? clamps on all 4 carbs tight? when is the last time the carbs were cleaned/re sealed? a good tune up will do wonders! from what your saying it seems like a intake leak from a carb boot, or stuck...

just a quick question, my 78 750 k8 does not charge at idle, the headlight does dull and eventually when the battery dies as does the bike. but rev it over 1200rpm and it charges to 13.1v and stays there throughout rpm range. does this mean my alternator is cooked? i have another one but i dont...

what i would like my bike to kind of look like when complete, same chopped and painted front fender, shortened rear, blacked out engine. also want to do dual front discs with leading calipers? what do you think? i started a topic on the dual disc conversion here ----->...

*yes i realize this picture is set up with off make full floating rotors, however this should make no difference i have seen many pics with factory rotors as well*

well, i rode my cb750 k8 for the first time today, loved it! however braking performance is shit! i came from riding a zxr750h1 so i dont expect it to be that good, but this is garbage. I want to do a dual front disc conversion. Both fork legs have the same brackets and mounting holes. So my...

have you synced the carbs correctly? any other mods? pod filters, exhaust etc, if so have you jetted for these mods? checked your carb boot clamps are tight, good fuel flow and floats are not sticking?

should make a cool project! that cyl block is not factory that is for sure haha! i have never seen exhaust manafold hardware quite like those ones.

Thanks davewnh. will do!

I will try that site and ebay, :) thankyou

Keeping it stock yes, I might do dual front discs too, but I will see :) thanks

I had the same issue with my 78 cb750. Ended up being the boots on the carbs were not tight and leaking vac. Would idle fine till the revs picked up, then it would take forever to get back down to a idle usually sit around 3k rpm..... try looking for a intake leak, however the carb sync will...

my cb750k, 1978 in the middle of a resto

your build looks great! Are you going to hollow out the frame were the oil sump tank is? Are you re jetting to compensate for the k&n filters? (my father is building a cb750f cafe and he wants more ideas and variety to see what he wants to do haha)

hello this is my build thread for my 1978 cb750k. Sorry i have no pictures of the bike when it was pulled from the hut it had been sitting in for 30 years. imagine rust over all the chrome, seat ripped into shreads from all manner of critters.paint... well still the same.. for now :P and not...

Just a quick shout to see who is around me haha! i have a 78 cb750k going for a complete restoration. i have restored a cx500 a few years back and mainly stayed with cars and trucks as i am a mechanic for audi. Loved the look and style of the cb750 since i was little, finally got the chance to...