Any advise appreciated. You could always do an experiment - something along the lines of: ride it around 'normally' for a trials bike i. Take the plug out probably v sooty. Put another plug in, ride around again, but this time 'fall over' or just lay it on its side until it stops. Now try this. I reckon they run soo ruch at low revs that if stalled the plug is nearly fouled i. I hope this is of some help, but I would suggest you either get more air into the engine i.
Phew that's it. Good luck, and beware, this is only my opinion and I have been wrong before My son's bike was the same way always a pain to start once warmed up.. The only way I would get it to start was to hold the throttle wide open, then it would usually start after a few good kicks. It also worked better to put it in neutral first. Yes i do have to use a choke when it's cold, starts great. Just getting my head around your experiment, i will give it a try. Air filte rsounds like a good idea and how do i regulate the fuel flow in?
Got to the stage now i'm willing to try anything. Same problems with my sons I now run an irridium spark plug in it, a little expensive but the plug does'nt foul and also gives a better spark even with the weaker ignition system. So far seems better. Whilst visiting a trials shop in Cornwall the guy there suggested a diamond tip plug. Have I got that right? Which certianly improved things. Have now moved on to a Beta Rev 80, which is a brilliant bike for those kids not yet big enough for Would I be right in saying that adjusting your fuel screw has no effect?
Someone in an earlier thread noticed that the parts list for the motor in the trials GG50 lists two clutch springs while the racing GG50 motor lists four springs and they postulated that some GG50 Boys had been fitted with motors with four spring clutches.
I have not heard yet of anyone else taking two springs out but it is terrible riding weather here and a long weekend for me so I carefully pulled my son's bike's clutch cover off and had a look.
Yes it had four springs and taking two springs out looked simple enough and the design is such that the change in the loading pattern on the pressure plate does not cause any problems so out they came. Amazing, it hooks up nicely a bit above idle now, it does not creep or drag, the manual clutch still works fine and there are no problems putting it in and out of gear with the motor running.
You can post now and register later. If you have an account, sign in now to post with your account. Paste as plain text instead. Only 75 emoji are allowed. Display as a link instead. Clear editor. Upload or insert images from URL. Sign in to follow this Followers 2. Prev 1 2 Next Page 1 of 2. Recommended Posts. Report post. Posted November 12, Share this post Link to post Share on other sites. Posted November 13, edited. Posted November 21, I copied this information off a link ages ago, can't find it now, but it said: "I have ordered a couple of parts from Gas Gas to convert my sons GG50 to a full manual clutch.
Sure the guys at Gas Gas Uk will be able to help? Posted November 24, The TXT Boy has an automatic 2-speed gearbox and a clutch lever for learning how to use gas and clutch.
Home » Gas Gas. Front and rear brake disc 2-speed pre-selection Automatic clutch. Do you know this bike? Click here to rate it. We miss 2 votes to show the rating. Displacement :. Bore x stroke :. Front suspension :. Rear suspension :. Wheelbase :.
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