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by roger.fellows
Tue Oct 13, 2020 9:05 pm
Forum: Main Chat Forum
Topic: sq4 tuning help
Replies: 12
Views: 749

Re: sq4 tuning help

Think how much use might be made of an emoji for a Freudian slip! Probably showing my ignorance, and there is one. No promble, Andy.
by roger.fellows
Mon Oct 12, 2020 9:10 am
Forum: Main Chat Forum
Topic: sq4 tuning help
Replies: 12
Views: 749

Re: sq4 tuning help

Allen, in case you are in doubt, Andy's photo above labelled 'correct' is the one you need.

I suspect you know about orientating the distributor and setting up the leads , or you would have no firing.
by roger.fellows
Sun Oct 11, 2020 8:18 pm
Forum: Main Chat Forum
Topic: sq4 tuning help
Replies: 12
Views: 749

Re: sq4 tuning help

Clockwise for a Mk11 surely??

Drags show 400052 as you say .
by roger.fellows
Sat Oct 10, 2020 6:14 pm
Forum: Four stroke
Topic: Sq4 MkI timing case breather pipe
Replies: 24
Views: 590

Re: Sq4 MkI timing case breather pipe

I can't see that anybody else has suggested the location of the open end of the breather in the timing case as a possible cause of this. There can be a build-up of oil in the chest which then gets thrown up to the dynamo sprocket area and can then head for the breather. If the pump has a relief valv...
by roger.fellows
Sat Oct 10, 2020 5:53 pm
Forum: Main Chat Forum
Topic: Today's ride
Replies: 46
Views: 3535

Re: Today's ride

Looks very good, Paul.
by roger.fellows
Wed Sep 02, 2020 1:02 pm
Forum: Main Chat Forum
Topic: moving house.
Replies: 17
Views: 1045

Re: moving house.

Can't wait to see you back, David!
by roger.fellows
Sat May 23, 2020 7:59 pm
Forum: Four stroke
Topic: Sq4 engine built by Heinze
Replies: 1
Views: 301

Re: Sq4 engine built by Heinze

You might need to do some careful measuring, Fletch. The thick base gasket probably means somebody has skimmed block and/or head a bit too much. This is usually because of the use of levers to get the head off without having first undone the four downward-pointing studs.
by roger.fellows
Sat May 23, 2020 7:43 pm
Forum: Four stroke
Topic: ENGINE SPROCKET NUTS
Replies: 13
Views: 819

Re: ENGINE SPROCKET NUTS

I don't believe that any of the designs is supposed to allow the cams to ride over each-other.

My experience is very limited - to Mk11 square, but I would tighten the first nut to the stop.

Please correct me if I'm wrong, somebody.
by roger.fellows
Sat May 16, 2020 8:05 pm
Forum: Ariel Talk
Topic: Rigid rear Stand - issue
Replies: 15
Views: 1427

Re: Rigid rear Stand - issue

I've always done the sreadeagle act with right foot preventing the flip-up, but it is awkward.

Is the spring strong enough?
by roger.fellows
Mon Apr 20, 2020 4:48 pm
Forum: W/NG Period Pictures
Topic: W/NG at War
Replies: 30
Views: 14894

Re: W/NG at War

Is it one of the female delivery riders?

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