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by jj.palmer
Wed Sep 16, 2020 10:11 am
Forum: Ariel Talk
Topic: Gary's VB, Repairing Clutch and brake lever pivots.
Replies: 5
Views: 255

Re: Gary's VB, Repairing Clutch and brake lever pivots.

I find that if the holes are extremely elongated it is better to file the hole, using a small diameter file, until it is approximately round before drilling. This allows the drill to cut more evenly and therefore produces a better round hole.

John P.
by jj.palmer
Fri Aug 07, 2020 9:37 am
Forum: Ariel Talk
Topic: First quick ride on the KH
Replies: 37
Views: 2191

Re: First quick ride on the KH

Was there not a recent post that fitting opposing wound springs on the saddle would make an improvement on reducing "wallow".

John P.
by jj.palmer
Thu Jul 30, 2020 1:25 pm
Forum: Four stroke
Topic: Oil Leaks - Singles
Replies: 34
Views: 1490

Re: Oil Leaks - Singles

This is how I sealed the oil leak from my magneto some years ago, it is still working ok, I am sure that it is one of many methods.
The alignment/clamping tool mentioned in the text is shown in the picture attachment, it has been posted before.

Hope this helps.

John P.
by jj.palmer
Wed Jul 29, 2020 4:01 pm
Forum: Four stroke
Topic: Oil Leaks - Singles
Replies: 34
Views: 1490

Re: Oil Leaks - Singles

Hi,I will draw a sketch which may explain it in more detail, see tomorrows morning post.

John P.
by jj.palmer
Wed Jul 29, 2020 1:52 pm
Forum: Four stroke
Topic: Oil Leaks - Singles
Replies: 34
Views: 1490

Re: Oil Leaks - Singles

See pics. of home made oil seal for between the timing chain case and the magneto, the breathers are has original, it has worked well for a number of years. The seal caters for any offset between the hole in the timing chain case and the spindle of the magneto, see alignment marks in the pics.. Hope...
by jj.palmer
Tue Jul 28, 2020 12:11 pm
Forum: Ariel Talk
Topic: KICK START JAMMING
Replies: 26
Views: 2258

Re: KICK START JAMMING

To enable winding the kick start spring I made a tool for this, see pics., you wind the spring it up to its correct tension and then insert the m4 screw, very easy. There is only one penny washer, my sketch is incorrect, the arrow points to the spring retainer and not the penny washer, sorry for tha...
by jj.palmer
Thu Jul 23, 2020 3:43 pm
Forum: Four stroke
Topic: Angle BTDC - ignition setting
Replies: 16
Views: 1544

Re: Angle BTDC - ignition setting

I suppose a way out of our dilemma is to ask John.bebb if he would kindly take back ownership of our bike ;).

John P.
by jj.palmer
Wed Jul 22, 2020 11:23 am
Forum: Ariel Talk
Topic: KICK START JAMMING
Replies: 26
Views: 2258

Re: KICK START JAMMING

Hi Johnny, one of the drawbacks that I found when I had a similar problem with jamming was that you cannot see inside the box and observe what is happening between the quadrant and the pinion, plus, I always found it difficult to tension the spring and fit the outer casing all at the same time. To o...
by jj.palmer
Tue Jul 21, 2020 4:55 pm
Forum: Four stroke
Topic: Angle BTDC - ignition setting
Replies: 16
Views: 1544

Re: Angle BTDC - ignition setting

One method of proving mathematically whether the con rod length effects the BTDC angle calculation is to carry out two calculations, keeping all things constant except the con rod length, the con rod length is different in both calcs. If the BTDC angle stays the same in both calcs. then it proves th...
by jj.palmer
Wed Jul 15, 2020 10:11 am
Forum: Ariel Talk
Topic: 1930 Model A
Replies: 25
Views: 1443

Re: 1930 Model A

Brillient Simon, you must keep us all updated.

John P.

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