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by simon.holyfield
Wed Jun 19, 2019 11:35 am
Forum: Four stroke
Topic: Otto Gaskets
Replies: 5
Views: 163

Re: Otto Gaskets

The Draganfly website suggests that they are in stock - at least for Mk1s. PN is 75-00 I think - I looked it up a couple of hours ago.
by simon.holyfield
Wed Jun 19, 2019 9:56 am
Forum: Four stroke
Topic: Otto Gaskets
Replies: 5
Views: 163

Otto Gaskets

Next winter, I aim to find the time to address a pushrod tunnel oil leak on my Mk1.

Must I replace the Otto gaskets or are they reusable? I believe they are a fibre gasket with a mesh to stop them moving in the joint, so I am thinking they cannot be reusable?
by simon.holyfield
Wed Jun 19, 2019 9:54 am
Forum: Four stroke
Topic: Square Four MkI - first drives after restoration
Replies: 9
Views: 206

Re: Square Four MkI - first drives after restoration

Conventional wisdom is to put enough in to just wet the chain. Fill it up to the level plug and it comes out... I do it like this and it doesn't seem to be a problem, but I do check it pretty frequently (weekly). You will have seen a few broken primary cases on the forum I bet! I'll leave others to ...
by simon.holyfield
Wed Jun 19, 2019 8:58 am
Forum: Four stroke
Topic: Square Four MkI - first drives after restoration
Replies: 9
Views: 206

Re: Square Four MkI - first drives after restoration

How much oil did you have in there Gui?
by simon.holyfield
Tue Jun 18, 2019 8:31 pm
Forum: Main Chat Forum
Topic: Man and sloper come a cropper.
Replies: 12
Views: 536

Re: Man and sloper come a cropper.

Great to hear you are up and about!
by simon.holyfield
Tue Jun 18, 2019 2:15 pm
Forum: For sale/wanted - Bikes
Topic: If you try long enough.....
Replies: 5
Views: 209

Re: If you try long enough.....

Presumably the original stamping has been ground off or is missing?
by simon.holyfield
Tue Jun 18, 2019 2:06 pm
Forum: Four stroke
Topic: Lathe user?
Replies: 13
Views: 551

Re: Lathe user?

Really? thanks for the tip!
by simon.holyfield
Tue Jun 18, 2019 11:39 am
Forum: Four stroke
Topic: Lathe user?
Replies: 13
Views: 551

Re: Lathe user?

I'd use BSC - definitely not BSW, it's too coarse for that application.

I'd avoid BSF on the basis that as far as I know, there are no BSF threads on Ariel machines in my garage - therefore adding a BSF thread is going to lead to confusion, or loose nuts.
by simon.holyfield
Tue Jun 18, 2019 9:38 am
Forum: Four stroke
Topic: Mk1 Relief Valve
Replies: 2
Views: 95

Mk1 Relief Valve

Chaps, I made this little ferrule to go over my relief valve spring: IMG_20190614_131112.jpg The hole in the end is 3.5, big as I dare go. It helps get the split pin in more easily and prevents the spring getting tangled with the pin, and unseating your relief valve. More details here: https://ariel...

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