SOHC.co.uk Forums > CB750
Help/ ideas please
AshimotoK0:
Check my Coil refurb writeup Rich.
if you find anything amiss I will refurb them for you for free .. least i can do ...you do plenty for me and others on here.
http://info.sohc.co.uk/download/general/Ignition-coil-fix.pdf
https://www.youtube.com/watch?v=qxWtR_m80Fc&feature=youtu.be
RGP750:
Thanks Ash
I'll give that a go as well.
I haven't forgotten your rim etc just over run at work and not stripped it yet .
Not forgotten the evening out with the other forum member yet either.
Son getting married July 1st and hope to sort it after that.
R
RGP750:
Results so far
150 psi on all 4,so happy with that.
Nicked the caps off of my 500 NGK all 5 ohms
checked the ones on the 750 the one i'm having trouble is 15 ohms number 1 is 7 ohms and 2 and 3 are 5.ohms
coils are 17 1 and 4 and 2 and3 is also17ohms.
3 plugs seem rich, there seems to be conflict ion on forums re weather the screw should screw in or out to richen/weaken
mixture your findings welcome please.
Hope for a ride after work tomorrow :)
K2-K6:
Rich, looks like the mechanical stuff is ok. I always keep a close look at valve clearance on newly built engines just in case they have closed at all so that you can catch it with no harm done.
Honda give a routine for adjusting the slow speed circuit in their manuals, this is in their F2 book so for PD carbs.
Warm the engine on a 10 minute ride after setting idle screws one and a half out from closed, set tickover stop to give 1000 rpm +/- 100 then on no2 carb adjust the idle screw in or out to give highest rpm then turn it in until you get a 100rpm drop. Reset the main tickover stop to bring overall rpm back to 1000rpm again and then do each of the other cylinders the same method. This should set the idle mixtures correctly if everything is functioning as it should.
Is yours four cables straight into the carbs? Not sure how you set overall tickover on that type if so.
RGP750:
Morning K2-K6
Valve clearances were all as they should be .
Mick (Kettle) set the carbs up for me he is a bit of a wizzo with the guages.
Each carb is set individually to achieve tick over.
I'm seeing him tomorrow at a local jumble and have a word with him.
Cheers
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