<-=- Club Bevel Heaven -=->

Thanks guys,Recently snagged a Haynes manual.Gives clearance as min. .0008-- max. .0016 with a wear limit at .0055.These specs are for forged pistons.I suppose how diligent you want to be breaking in the new pistons can be a factor also.
Bomber

Ducat,I'm in the middle of a 74 GT rebuild myself and yes you are correct about the bevel gear dots and the rods at half mast.The dots are there to determine the valve timing is correct.I know most singles and some twins cams are punched to align with tdc but the ign. timing is usually determined by ...

Thanks for replying wdietz.Forged V2 pistons that were puchased by a previous owner.Bomber

Hi Group,Just received my crank shims for my GT and am going to have cylinders bored to suit a set of 81mm pistons. Any of my britbikes I would aim for the .001 per inch of piston.Seeking confirmation or advice from the experienced.Bomber

Kinda cute the way assembly came up donkey.
Tom

Thanks GT Pete,
Glad to know the shim destruction and porosity are not unique.Back when I first picked up this bike early nineties it was a dog and when pushed hard it would destroy the forward sparkplug.Turned out the previous owner had both carbs being fed by one tap and the front cylinder bore ...

On cleaning and assembling this 74 GT I have come across some problems, not sure if they're typical. Oil leak from porous casting on a case bolt hole that was somewhat repaired with epoxy at a prior teardown.Crankshaft shimmed on both ends.Shims need replacing as they're split in two. Sludge traps ...

Newbie here, Have been into bikes all my life.Putting together a 750 GT that I rode a couple of seasons and tore apart for shifting reasons a decade ago, sold off, bought back recently minus shifter forks, recently bought used forks and last nite proceeded to do a test assemble.This forum has ...