Carb set up

Stuwickwar · Derestricted Danger Joined: 29 Oct 2013 Karma :

Does anyone know how to set up the carb on a suzuki gp100 the carb is a mikuni vm22ss. Can't find a guide on the carb anywhere identifying what to alter. Help appreciated.

burnsy · Derestricted Danger Joined: 23 Oct 2013 Karma :

whats the problem with the carb dude?

Stuwickwar · Derestricted Danger Joined: 29 Oct 2013 Karma :

Had a problem where the bike was ticking over for a few minutes then suddenly revving up to red line and cutting out thought it might be carb set up. Bike wouldn't start again after it did it a few times. And today I was trying to kick it up and suddenly fuel starts pissing out from between the crankshaft and the gearbox. Think a seal has split! Having an absolute nightmare!

DMCpro · Traffic Copper Joined: 16 Jul 2012 Karma :

I think your crank seals have blown fix the serious mechanical faults first
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Honda CB-1, TS125X
VW Golf Estate

stirlinggaz · World Chat Champion Joined: 22 Jul 2007 Karma :

hi,
theres a couple of good guides available on t'internet this is particularly useful https://www.mikuni.com/pdf/vmmanual.pdf
theres others, but cant remember where i last saw them (i have them saved on cd somewhere)
easy carbs to work on imho,
cheers,
GAZ

DMCpro · Traffic Copper Joined: 16 Jul 2012 Karma :

Drain the gearbox oil out and smell it tell us what it smells like
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Honda CB-1, TS125X
VW Golf Estate

bladerunner · World Chat Champion Joined: 09 Sep 2006 Karma :

if you mean fuel is pissing out between the crank case halfs where the crank is(rather than at the rear/gearbox side then you then youll be getting a serious air leak and running lean causing the rise in revs......post up a pic of where the fuel is coming from if you can!....its a motor out and apart job to fix if it is.....lucky its a gp100 if it is as the fix will cost you about £30 and half a days work to fix if the casings are ok
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Current bikes...cbr929, KDX200's, Rd125lc mk2, RGV250's

Stuwickwar · Derestricted Danger Joined: 29 Oct 2013 Karma :

Thanks for the replys. I've replaced the gaskets on the crankcase and clutch. I saw the fuel was leaking from that gasket so I've replaced it. Since I've replaced them the bike isn't starting now. I'm getting frustrated with this bike now needed it for work and struggling to get it running. Might have to reluctantly take it to a mechanic Sad