Paul , I spent ages over the weekend trying to file the UK sprocket and also two hacksaw blades together would'nt touch it , are these part of a bad batch or are they correct for CP box but not for the GB7 box ?

I have just recieved my 19t chain sprocket from a Dutch supplier and it is identical to the one from the UK , so I am back to square one , down 80 odd euros and in posession of two sprockets that are of no use . Are the splines on sprockets for a Burman CP/B52 Box different to the GB 7 Box sprocket ...

I have removed 20 thou from the shoulder of the 3 rd gear as it is wider than the original gear , reassembled and tightened the nut and the gear spins freely with 2 thou clearance , thanks for the response . I now have another problem , the 19 t chain drive sprocket will not go on the splines and fi...

It is just as the photo , just the two gears on the mainshaft and tightened on the kickstart end , 3rd gear is locked against the splines where the arrow is , all the bushes in the gears were fitted by Geoff and are correct

I have a problem with the mainshaft third gear which locks up when the kick - start end nut is tightened , it took me ages to to discover why the gears were locked , do I remove material from the 3rd gear mainshaft bush's face ? I dont know what to do . There is plenty of imformation about stripping...

Will,thanks for that suggestion , unfortunately its a little bit more complicated , I am starting a new topic under GB7 gearbox

I have rectified the end float on the selector cam , but have a problem with the mainshaft third gear which locks up when the kick - start end nut is tightened , it took me ages to to discover why the gears were locked , do I remove material from the 3rd gear mainshaft bush's face ? I dont know what...

"Press the end of the gear indicator inwards. If there is appreciable movement, you need to replace the bush for this shaft in the outer case. The engagement of the dogs in the gears is governed by the end float of the gear indicator since it is also the gear selector shaft". I rebuilt my...

Gary , have a look at the 'Suppliers' index , Armours exhaust pipes and silencers , I'm more than happy with mine

All the WW1 fighter pilot aces used them so they must be , well certainly better than a Far East NGK knock-off , all the KLG plugs are old stock but I shouldnt think they deteriate in any way