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He's been out these evening, after school, and still going ok.
Looks to be good.
But I'll replace fuel pipes any way. Not much else to do with it now.

When bike cut out. The bowl looked to have 'thin'oil.
All vent pipes replaced with new. All vented to floor. Bike is running much better.

not too bad.
The air filter got soaked, as it's just one of those foam things (don't like em me self)
So bike came to a halt.
Air filter off, runs ok. Got a new 'covered' air filter on order.
I'm...

may have the problem solved ??
Again he came back in about 5 to 10 minutes, bike dead again.
Petrol in float bowl was almost oil like!
The breather tube on idle screw side was connected to a...

update,
Near emptied fuel tank, it looks clear, even shook tank while emptying.
thought I'd check the 'jets' looks like the middle jet was blocked! I didn't clean this one yesterday. (don't know...

Installed carb.
pipes moved to see text.
Card is now off.

I've no idea what size jets we require for filter or exhaust, when the bike is running, it seems to be running fine.
Just tried bike, numerous times, kick start and bump start, nothing! I can hear...

Think it's a Dellorto PHBG21
What symptoms should we expect if the jetting is wrong?
Tick over seems fine.
It seems to rev fine.

We know the carb and exhaust has been changed, but no details...

It was close to 0° last night. But I'd thought after 10 to 20 would have started again?
It is a water cooled engine, so keeps heat for a while.
Will see if it starts this morning.

Forrest area. The bike has worked. But recently seems to be failing.

Carb had been removed, dismantled, cleaned and refitted. There was dirt in the Carb.
Air filter not blocked. Will double check exhaust.
I believe it's non standard carb and non standard exhaust.

removed filler cap, still no good. If I remove fuel pipe from bottom of tank, fuel flows plenty.
The float chamber is not so accessible. Take about 10+ mins to get at it. So, the carb is the only...

..some thing over heating, my thoughts indeed.

piston and rings seem ok. But I've not got kit to do a proper pressure test.
manual choke. don't think it's that.
I was thinking spark plug...

Hi,
If any one can assist please? I've tried searching, but not finding anything relevant. Unless I've missed some results.

My son's bike is cutting out after 5 minuted riding. Then will not...

I'm more than happy with the offers :)
Shame I couldn't get the front sproket off though :( But it looked good to me. So left it there.
And the new rear sproket has one tooth less. 42 down to 41...

Greetz to you Andy :)

Nutz4bikes in Trowbridge, great chaps.
Tool for the chain riveting, £10 an hour.
All sorted now

hehe,
We couldn't budge the nut on sprocket.
But it doesn't look to that worn.
My dproblem now is the chain link.
It's the solid pin type, needs a riveting device to fix this link into place....

I have a friend bringing a socket and breaker bar around this after noon.
Hopefuly this should be enough, the service history I have shows it was replaced some 10K miles ago.

Thanks for you...

good call :)

nice1 , may well put bike back together for now and come over tomorrow morning. Unless I can sort something out today.

Hi,
wondering if anybody in the Melksham area may be able to assist with lending me a bloody big socket to get front sprocket off please?
Looking like a 32mm
I have 3/8'' drive

Replacing chain...

Indeed, congrats to you :D

Nice to have a thread just for this :)

My 2pence worth..
I try to come in from outside of corner, there you get most visibilty around corner, and can come back in a bit if conditions demand it.
...

Corners are a hard bit of biking, right speed, right revs and rigt position
Certainly helps attending the bike safe.
that and plenty of experience help also, but I'm no experience rider me self....