I have..........bought a Blueflame race can for my old J2

Mate, if you want that exhaust i mentioned earlier let me know asap, as it won't be there for long.

Ref service: is it due for a service? has it been stood around for ages? I would have thought a fluid/oil top up, chain de-rusted/lubed and checked for tension, a bit of brake maintenance and tyre pressures checked would do the job. and maybe a battery recondition if it has been stood around for a while.