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CX-GL Honda MCC

I Used To Have One Of Those

John Mac

Carburettors

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I finally got my Eurosport back this week. Mike Lamb of Maggots & More sorted a replacement engine for the one that was knackered when my bike got nicked and the tow-rags probably left the engine running when they dropped it on its side. I’d like to thank Mike for the time and effort that he put into rebuilding the replacement engine, also for swapping the clutch and timing chain from the old engine that were quite new. Any member considering using Mike should realise that he has a business to run with overheads. However his work is spot on that I can confidently recommend 100%, furthermore the price he gives you stays the same, even if he hits an unforeseen snag.

 

There are a couple of things that I now need to sort myself; strip and clean the brakes (no problem done this many times) in addition to some spraying of replacement plastic. However, the carburettors are proving to be a nightmare, I’ve already had them stripped and everything seems to be okay, though they black up very quickly with dry carbon deposits. It may require an ultrasonic clean, there’s a firm that specialise in motorcycle carburettors local to me and he’s quoted me £65 stripped & cleaned; never having this type of clean done before, I’m not sure if this is a good price. I’d really appreciate any advice if there might be another cause for the sooting. The timing is spot on; therefore I can’t think what else it could be other than carburettors .

Ride safe John Mac

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If it were not for the postage, I would give you a much cheaper offer... ultrasonic is the way to go anyway...

 

http://hondacx500.cba.pl/galeria/albums/userpics/10002/20170508_151559.jpg

http://hondacx500.cba.pl/galeria/albums/userpics/10002/20170508_151619.jpg

http://hondacx500.cba.pl/galeria/albums/userpics/10002/20170508_162815.jpg"

http://hondacx500.cba.pl/galeria/albums/userpics/10002/20170508_165250.jpg

http://hondacx500.cba.pl/galeria/albums/userpics/10002/20170508_165303.jpg

 

 

Sooting on the intake side of the carb may be a sign of the intake valves leaking and letting soot reach the throttle bores. If you get dirt in the bowls however, I think you should consider a fuel filter...

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Hi John ,I overhauled my Cx500z carbs last year and it was the best thing I ever did to this bike ! It cured my one cylinder starting issue,I bought my overhaul kit from DS and not bad priced too. I didn't do an ultrasonic clean as I didn't feel it neccasary as it was running reasonably well before.

On my CBX I did an ultrasonic clean which was a good idea as I had no history on the carbs I bought second hand to replace the race carbs that were fitted,it was money well spent because it cleans out all the small emulsion tubes and nooks and crannies where dirt sits. If your man is going to strip your two carbs and rebuild them with new components and an ultrasonic clean I would snap his hand off at that price. It pays to do a good job on the carbs for reliability alone.

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Hey John

If you buy the carb kit from DS and send kit & carbs to me then I will do the work for you.

DC

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There is Murrays book eithin the club (currently on loan to Dave F) which is a bible for people in your situation John. Ask Dave if he's finished with it yet.

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One point - while Murrays Mikuni carbs offer better zip from the CX's from what I read it might not be as good on MPG as standard CX carbs.

 

Eric.

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Guys, do you really mean he will not manage to clean his carbs without Murrays guide book? Pleasee.... just be serious.... the CX carbs are one of the most simple.... some tight fit bits and an impact screwdriver is what he needs to do the job right...

 

Murrays Mikuni carbs eat like 10/100km, still interested? totally irrational...

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Agree, I stripped mine years ago without a book - just needed to remember where everything went etc - Its not that difficult.

 

That book does have nice pictures though !

 

I think having stripped everything an ultrasonic clean would be a good job to do !

 

Eric.

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