Ariel Owners MotorCycle Club

Hi

I can see W5928 there - does that work?

Regards Mick

Hi

If the GB6 main shaft is correct for the gearbox it won't fit a 58 FH, which has a FERC and therefore an extended main shaft, the correct gearbox is a GB44 - see here for more info:

viewtopic.php?f=4&t=8843

Regards Mick

I am given to understand that i can (if i am lucky or very lucky ) remove the gearbox outercover , undo the nut on the end of the main shaft and carefully withdraw the shaft replacing it with a suitable rod Hi This is not possible unless you take off the inner cover which houses the kick start side...

Hi

The DI is far more accurate than a 'stick' and to establish TDC my procedure is to determine a point either side of TDC and bisect the angle - this is not subject to the direct measurement errors you correctly identify.

How does the 'hard stop' work?

Regards Mick

Hi

I use this to locate TDC and a timing disc to establish crank position - minimises the 'ineffective crank angle' error

Regards Mick

Hi It's worth bearing in mind the access to this nut: It's recessed into the sprocket, (this is compounded if you use the secondary chain as a means to restrain rotation during removal / installation). If you have a FERC configured bike the forward section of the FERC has to be installed before the ...

simon.holyfield wrote:Any idea which one I am supposed to have for that 275?

Hi

If you weren't already aware, you can download the complete 2018 version of the Amal catalogue from here:

http://amalcarb.co.uk/books-catalogues.html

It's full of excellent info

Regards Mick

Hi

I'd be tempted to increase the idle mixture strength and adjust the revs back down with the throttle stop - sounds like it's a bit weak.

Regards Mick

Hi

With Draganfly not listing anything even close to your dimension I'd be checking the clutch for conformity with the original design. A missing ball bearing if applicable would only account for 5/16"

Regards Mick

I refer you to my previous post - measure your nut and look up the tables.

My nut came from a 54 GB6 box and is now fitted to a 58GB44 one - it's 1" W.

Regards Mick