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by simon.holyfield
Fri Jun 15, 2018 11:52 am
Forum: Four stroke
Topic: KH500 oil pressure drop
Replies: 13
Views: 230

Re: KH500 oil pressure drop

Find anything dubious?
by simon.holyfield
Fri Jun 15, 2018 12:24 am
Forum: Four stroke
Topic: VH oil pipes
Replies: 4
Views: 96

Re: VH oil pipes

I have - eBay as far as I remember. As you say, copper 5/16" OD.
by simon.holyfield
Thu Jun 14, 2018 12:42 pm
Forum: Four stroke
Topic: KH500 oil pressure drop
Replies: 13
Views: 230

Re: KH500 oil pressure drop

Needs a mod to stop this happening. Nev A spring wound the opposite way would do it. Come to think of it, obviously the SQ4 front crank rolls backwards. If they used the same spring spec for both the four and the twin, the spring would be correct for the twin and wound in the wrong direction for th...
by simon.holyfield
Thu Jun 14, 2018 10:16 am
Forum: Four stroke
Topic: KH500 oil pressure drop
Replies: 13
Views: 230

Re: KH500 oil pressure drop

On a four, the split pin retaining the relief valve spring gets caught up in the spring, reducing pressure on the ball - it happened once on mine and causes symptoms like that. The KH is similar I think? I put a small cap (I think it was the end of a cartridge fuse) over the end of the spring, with ...
by simon.holyfield
Tue Jun 12, 2018 7:56 am
Forum: Four stroke
Topic: Compression plates?
Replies: 9
Views: 239

Re: Compression plates?

So you have cylindrical rubbers in there?
by simon.holyfield
Tue Jun 12, 2018 7:36 am
Forum: Four stroke
Topic: Compression plates?
Replies: 9
Views: 239

Re: Compression plates?

My saddle came from Draganfly. You'll see it in my blog, pretty comfortable.
by simon.holyfield
Mon Jun 11, 2018 11:17 pm
Forum: Four stroke
Topic: SQ(ueek) 4 !
Replies: 11
Views: 296

Re: SQ(ueek) 4 !

Ah, now I understand. You're right, the Solex is different in that area. I once had a chap bring a dead outboard for repair. I stripped it to find the carburetter was full of silt. I got it running again and when he came back I explained about the silt. "Oh" he said... "I dropped the ...
by simon.holyfield
Mon Jun 11, 2018 5:06 pm
Forum: Four stroke
Topic: SQ(ueek) 4 !
Replies: 11
Views: 296

Re: SQ(ueek) 4 !

Which pipe Bernie?
by simon.holyfield
Mon Jun 11, 2018 11:32 am
Forum: Four stroke
Topic: Compression plates?
Replies: 9
Views: 239

Re: Compression plates?

In almost 7 years of playing with my Mk1, I've never seen a compression plate - I'd go ahead and make one, it's not going to take long.

On the tap, do you mean the double plunger cork tap? This blog post might be useful:

http://ariel-square-four.blogspot.com/2 ... s.html?m=0
by simon.holyfield
Sat Jun 09, 2018 6:03 pm
Forum: For sale/wanted - Parts
Topic: Brake Cable Lug
Replies: 10
Views: 463

Re: Brake Cable Lug

Mine came from Acme Stainless.

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