CG125 Suddenly Started Spluttering

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Daigadget
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CG125 Suddenly Started Spluttering

#1 Post by Daigadget » Tue Jul 24, 2018 4:59 pm

I have a 1983 Honda CG125. It's just had it's MOT and I've done about 300 miles with no issues in the last 4 weeks. Yesterday it just cut out - I thought perhaps it needed to go onto reserve but it usually splutters for a while beforehand and this didn't happen. I switched to reserve and it started - filled up with petrol 2 miles later. All was well until it just cut out when I stopped at a roundabout - I then had trouble starting it again (kick start). Had to fiddle around with the choke but seems to like being 'half way' at all times. It's now struggling in 3rd/4th gear and I have to change down and really push it to get it going. I filled up with premium petrol again in case it's a petrol sludge issue and pushed it hard down the dual carriageway for about 12 miles total yesterday. I've just taken it out again and it still seems spluttery in certain gears/ certain times, wanting to go down a gear and be pushed at high revs. Wondering if it could be the carburettor and if so - how I go about removing and cleaning it. Any advice most welcome!

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Speedy23
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Re: CG125 Suddenly Started Spluttering

#2 Post by Speedy23 » Tue Jul 24, 2018 5:32 pm

Drain the float bowl? Could be water in the fuel.
Oh my God, what's happened? I don't know man...I just got here myself!

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Mississippi Bullfrog
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Re: CG125 Suddenly Started Spluttering

#3 Post by Mississippi Bullfrog » Tue Jul 24, 2018 5:49 pm

If you had to switch to reserve when the problem started it sounds like a fuel blockage or contamination.

Best bet is to invest in a Haynes manual, they're pretty good at most of the basic stuff.
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Re: CG125 Suddenly Started Spluttering

#4 Post by Tango » Tue Jul 24, 2018 6:01 pm

Coil breaking down in the heat...... :wink:
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Speedy23
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Re: CG125 Suddenly Started Spluttering

#5 Post by Speedy23 » Tue Jul 24, 2018 7:26 pm

Daigadget wrote: ↑
Tue Jul 24, 2018 4:59 pm
I filled up with premium petrol again in case it's a petrol sludge issue
BTW, what's "petrol sludge"?
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Re: CG125 Suddenly Started Spluttering

#6 Post by fastbob » Sat Jul 28, 2018 10:41 am

Oh dear , looks like another one hit wonder . 🙄

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Re: CG125 Suddenly Started Spluttering

#7 Post by Grumpy Old Git » Mon Aug 06, 2018 4:10 pm

2 posts - 2 (go on, count them)!

Petrol Sludge is sludge made with petrol (instead of any other liquid). :mrgreen:
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