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by paul.jameson
Sun Jul 21, 2019 8:33 pm
Forum: Four stroke
Topic: clutch and mainshaft
Replies: 46
Views: 1998

Re: clutch and mainshaft

As the threads are started at random, both on clutch sprocket and bolts, I put the bolts in and tighten them up. Those that then point in the wrong direction I swop with others pointing in the wrong direction until I get to a point where the wire will go through the heads easily. If all else fails I...
by paul.jameson
Sat Jul 20, 2019 7:44 pm
Forum: Four stroke
Topic: clutch and mainshaft
Replies: 46
Views: 1998

Re: clutch and mainshaft

With all due respect Alan, you may find it less time consuming to drill 6 holes through 6 bolt heads.................
by paul.jameson
Thu Jul 18, 2019 10:25 pm
Forum: Four stroke
Topic: Flexible petrol pipe
Replies: 13
Views: 597

Re: Flexible petrol pipe

I use plastic pipe with a stainless steel braided outer and clips with a bolt and nut rather than jubilee clips. The result looks good, original at first glance, keeps the petrol where it should be and lasts for years and years.
by paul.jameson
Thu Jul 18, 2019 10:20 pm
Forum: Four stroke
Topic: clutch and mainshaft
Replies: 46
Views: 1998

Re: clutch and mainshaft

When I was having problems with the bolts coming loose in the 1970s, the double hole tab washers were not to be found and may well have not existed back then. Having found that drilling the bolt heads was 100% reliable, I have stuck with it.
by paul.jameson
Thu Jul 18, 2019 9:13 pm
Forum: Ariel Talk
Topic: New Member Introduction
Replies: 7
Views: 996

Re: New Member Introduction

Welcome Andy, and what a good story. I think you will find that the bits you need are available, probably from the Club 4 stroke twin spares. If you are near Pershore over the August Bank Holiday weekend you would benefit from attending the Annual Rally.
by paul.jameson
Tue Jul 16, 2019 8:42 pm
Forum: Four stroke
Topic: clutch and mainshaft
Replies: 46
Views: 1998

Re: clutch and mainshaft

I am still using original Ariel / (Burman?) bolts and have never had one shear over the past 45 years plus. I drill the heads to lock wire them and don't find the drilling anything of a problem. In fact, in the early years, I have drilled the heads using a hand drill, so they can't be too hard. Even...
by paul.jameson
Tue Jul 16, 2019 8:35 pm
Forum: Four stroke
Topic: 1938 SQUARE FOUR ENGINE SHOCK ABSORBER
Replies: 2
Views: 271

Re: 1938 SQUARE FOUR ENGINE SHOCK ABSORBER

Which shock absorber are you using? Is it the original type with 3 lobes (in which case I can't help as I've never used one) or the later 2 lobe type with the sleeve over the cranksahft?
by paul.jameson
Sat Jul 13, 2019 8:23 pm
Forum: Four stroke
Topic: Sq 4 rocker oil line leaks..
Replies: 12
Views: 1142

Re: Sq 4 rocker oil line leaks..

As requested Bob.

Modified oil line:

IMG_80014.JPG


Modification to rocker cover:

IMG_80015.JPG
by paul.jameson
Sat Jul 13, 2019 8:04 pm
Forum: Four stroke
Topic: clutch and mainshaft
Replies: 46
Views: 1998

Re: clutch and mainshaft

Shock absorber nuts, gearbox sprocket nuts and clutch centre nuts should be tightened to " ***king tight" or even "really ***king tight". The six bolts which hold the clutch basket on are prone to coming loose however much you tighten them but if you drill and wire the heads they...
by paul.jameson
Sat Jul 13, 2019 7:57 pm
Forum: Ariel Talk
Topic: What to do?
Replies: 26
Views: 2748

Re: What to do?

The quality of finish on modern engine components, coupled with the quality of materials used to make them means that the amount of metal wearing off the bits of modern engines during the running in period is minimal. On the other hand, even if you could find someone to refurbish your engine parts t...

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