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Search: Posts Made By: pommie john
Forum: Old's Cool 05-03-2015, 04:02 AM
Replies: 11
Views: 328
Posted By pommie john
Yeah, I'd be keen to find out the exhaust primary...

Yeah, I'd be keen to find out the exhaust primary length thanks. I'm guessing that around 20" is probably about right.
Forum: Old's Cool 04-30-2015, 11:12 PM
Replies: 11
Views: 328
Posted By pommie john
Nice. I've been thinking about running my...

Nice.

I've been thinking about running my exhaust that way. At the moment it goes the long way around the front and the primary pipe is around 36" long... too long.

It may not look like a...
Forum: Old's Cool 04-30-2015, 10:50 PM
Replies: 11
Views: 328
Posted By pommie john
I road race an XL with a 285cc kit and run points...

I road race an XL with a 285cc kit and run points with standard timing. It goes pretty well.

Where did you get the Powroll kit? Their website seem to be down. Are they still in business?

I'm...
Forum: Old's Cool 04-30-2015, 10:43 PM
Replies: 87
Views: 5,331
Posted By pommie john
It usually happens when the brake line goes...

It usually happens when the brake line goes uphill as it leaves the MC, or if the MC is pointing uphill. Air accumulates at the highest point.

I either lean the bike over so the MC is the highest...
Forum: Airheads 04-26-2015, 03:13 PM
Replies: 10
Views: 517
Posted By pommie john
If you've never crashed, you've never tried hard...

If you've never crashed, you've never tried hard enough :)
Forum: Old's Cool 04-26-2015, 02:52 PM
Replies: 5
Views: 380
Posted By pommie john
This forum reckons 6 - 11 thou is right. Sounds...

This forum reckons 6 - 11 thou is right. Sounds like yours is fine.

http://wildguzzi.com/forum/index.php?topic=51542.0
Forum: Old's Cool 04-23-2015, 03:12 PM
Replies: 778
Views: 120,741
Posted By pommie john
After several attempts to get it right, at least...

After several attempts to get it right, at least three top end rebuilds and some stunningly incompetent machine shop work ( see valve guide they fitted, apparently with a very large hammer) It...
Forum: Old's Cool 04-21-2015, 03:52 AM
Replies: 9
Views: 781
Posted By pommie john
Cool pics, but I'm not sure they're really x...

Cool pics, but I'm not sure they're really x rays. Would an x ray penetrate the cast iron of an old cylinder? Maybe some of them, but put it this way, I wouldn't want to be the rider of the...
Forum: Airheads 04-12-2015, 10:39 PM
Replies: 28
Views: 1,263
Posted By pommie john
A 2002 is a sporty, nimble handling little car. ...

A 2002 is a sporty, nimble handling little car. Much as I love airheads, non of those adjectives would often be used in the same sentence as airhead.

A ducati Monster might be one to try.
Forum: Airheads 04-11-2015, 06:57 PM
Replies: 15
Views: 1,040
Posted By pommie john
Who paid for and arranged the photo shoot? Do...

Who paid for and arranged the photo shoot? Do you own the photos?
Forum: Airheads 04-10-2015, 01:00 AM
Replies: 15
Views: 597
Posted By pommie john
I would guess that the bearing inner race or...

I would guess that the bearing inner race or the spacer are rusted/jammed onto the axle.

A little more gentle persuasion with a soft hammer is probably needed.
Forum: Airheads 04-09-2015, 02:44 PM
Replies: 27
Views: 1,377
Posted By pommie john
If you pull the tranny off there's usually a...

If you pull the tranny off there's usually a casting mark behind the clutch that's got a date mark which will give you the year.
Forum: Airheads 04-08-2015, 03:36 AM
Replies: 18
Views: 1,533
Posted By pommie john
Looks good. Looking forward to seeing the...

Looks good. Looking forward to seeing the progress.

One thing, reversing leading axle forks increases the trail.
Forum: Airheads 04-08-2015, 02:38 AM
Replies: 15
Views: 823
Posted By pommie john
I just had a browse around Motorbooks website and...

I just had a browse around Motorbooks website and they've closed their London shop!!


" CONTACT MOTORBOOKS
LONDON
Phone +44 (0)20 7836 5376
SKYPE: motorbooks

Whilst our London Shop has now...
Forum: Airheads 04-07-2015, 03:26 PM
Replies: 29
Views: 1,218
Posted By pommie john
There are two kinds of wire circlip... a thick...

There are two kinds of wire circlip... a thick one and a thin one. You have got the right one?
Forum: Airheads 04-06-2015, 11:33 PM
Replies: 10
Views: 439
Posted By pommie john
The 80s airhead sumps had a degree of baffling in...

The 80s airhead sumps had a degree of baffling in them to reduce oil surge during acceleration and braking. I assume you're building some in your design?
Forum: Airheads 04-03-2015, 03:11 PM
Replies: 15
Views: 823
Posted By pommie john
I used to go to this place. It's right in the...

I used to go to this place. It's right in the heart of London just off Charing Cross Road.

http://www.motorbooks.co.uk/index.asp?xcat=MOTORCYCLES
Forum: Old's Cool 04-03-2015, 01:01 AM
Replies: 2,907
Views: 1,493,295
Posted By pommie john
Supertrapps work well for me on two race bikes. ...

Supertrapps work well for me on two race bikes. The great thing is when I put one race bike on the road I just put closed end caps on the STs and didn't have to buy new road legal silencers. They...
Forum: Airheads 04-01-2015, 04:59 PM
Replies: 359
Views: 40,378
Posted By pommie john
So how come you didn't get many runs? Is it that...

So how come you didn't get many runs? Is it that crowded that you have to wait in line for hours/days even?

How does it work? Do you just join a line or do you get allocated a time of day to run?
Forum: Airheads 03-30-2015, 03:19 AM
Replies: 31
Views: 1,243
Posted By pommie john
I don't see a problem with the thrust washers,...

I don't see a problem with the thrust washers, they may have been moving a little on their pegs but it doesn't look like much wear. You could try measuring them at different places and see if...
Forum: Airheads 03-23-2015, 05:21 AM
Replies: 10
Views: 574
Posted By pommie john
There's supposed to be a paper gasket under there.

There's supposed to be a paper gasket under there.
Forum: Airheads 03-17-2015, 12:18 AM
Replies: 9
Views: 504
Posted By pommie john
I had a guy over here make me a pair of cast iron...

I had a guy over here make me a pair of cast iron discs to fit mine. I went for 6mm thickness. They work better than the stainless ones. Not a huge improvement, but noticeable.
Forum: Airheads 03-16-2015, 05:33 PM
Replies: 9
Views: 504
Posted By pommie john
It's called mental versatility :) I...

It's called mental versatility :)


I happen to find metric easy to work with in most things, but clearances are much easier in thou.
Forum: Airheads 03-16-2015, 03:52 AM
Replies: 9
Views: 504
Posted By pommie john
I used Brembo 08s on my race bike with Honda CB...

I used Brembo 08s on my race bike with Honda CB 750 discs. The Honda discs are 7mm thick and I had to take a maybe 10 or 20 thou off the pads each time I fitted new pads.

Used to rub the pads...
Forum: Airheads 03-13-2015, 04:01 AM
Replies: 6
Views: 475
Posted By pommie john
There should be white paint marks on the other...

There should be white paint marks on the other pieces ( the pressure plate and the pressure ring but not the spring) .
They may be hard to see, covered in dirt or whatever. If you can find them ...
Forum: Airheads 03-12-2015, 05:31 AM
Replies: 359
Views: 40,378
Posted By pommie john
IMHO you just want reliability the first time you...

IMHO you just want reliability the first time you head to the salt.
Wish I could come

:)
Forum: Old's Cool 03-04-2015, 08:08 PM
Replies: 87
Views: 5,331
Posted By pommie john
Brake mods are sold by most every Norton...

Brake mods are sold by most every Norton specialist with good reason.

From RGM : R.G.M. MOTORS MASTER CYLINDER RELINE
When criticising the braking performance of the Norton Commando (which...
Forum: Old's Cool 03-03-2015, 07:12 PM
Replies: 87
Views: 5,331
Posted By pommie john
The first thing on my list would be a sleeve kit...

The first thing on my list would be a sleeve kit for the master cylinder.
The stock front brake is downright scary! The common mod is to sleeve the master cylinder down to 12mm so you get a...
Forum: Old's Cool 03-01-2015, 10:15 PM
Replies: 87
Views: 5,331
Posted By pommie john
The most frustrating about Nortons is the...

The most frustrating about Nortons is the plethora of fasteners used. They have UNF, BSF, Whitworth and cycle threads on the one bike. You also need a few specific pullers.... Any old two legged...
Forum: Old's Cool 02-27-2015, 11:50 PM
Replies: 87
Views: 5,331
Posted By pommie john
Nice looking restorations. Nortons can be...

Nice looking restorations.


Nortons can be a bit more... errr... quirky than Jap or Italian bikes. You need to shim the crank and the cam ( sometimes) whereas with most Japanese bikes, they...
Forum: Old's Cool 02-25-2015, 06:43 PM
Replies: 87
Views: 5,331
Posted By pommie john
Everything you need to know is here: ...

Everything you need to know is here:

http://www.accessnorton.com/norton-commando-f1.html



:D
Forum: Airheads 02-23-2015, 09:59 PM
Replies: 5
Views: 420
Posted By pommie john
Run out/ distortion in the disc knocking the...

Run out/ distortion in the disc knocking the pads back?
Forum: Old's Cool 02-20-2015, 05:52 PM
Replies: 2,553
Views: 703,220
Posted By pommie john
It's got a bit of heat shield now and your leg...

It's got a bit of heat shield now and your leg doesn't get that near it. Wouldn't want to crash and get trapped under the left side though. :D
...
Forum: Old's Cool 02-20-2015, 02:07 PM
Replies: 2,553
Views: 703,220
Posted By pommie john
There's a thread on the build here: ...

There's a thread on the build here:

http://www.advrider.com/forums/showthread.php?t=722346

Here's a snap of it , plenty more in the thread.

...
Forum: Old's Cool 02-20-2015, 12:22 AM
Replies: 7,791
Views: 3,617,423
Posted By pommie john
Won't you need some handlebars? :D I...

Won't you need some handlebars? :D

I turned my XL250 into a flat track style road racer. There's tons you can do with them and like you say, get rid of as many parts as possible.

I put a...
Forum: Old's Cool 02-14-2015, 04:43 PM
Replies: 45
Views: 2,090
Posted By pommie john
I had a thought. The slide is raised by a...

I had a thought.

The slide is raised by a rod connected to the bellcrank at the top of the carb.

Maybe the rod is not properly seated in the slide and has raised the slide a little.
Forum: Airheads 02-12-2015, 12:46 PM
Replies: 245
Views: 29,189
Posted By pommie john
What's the frame? It's not a normal airhead...

What's the frame? It's not a normal airhead frame.
Forum: Old's Cool 02-12-2015, 12:32 PM
Replies: 45
Views: 2,090
Posted By pommie john
Advance/retard unit. In the little distributer...

Advance/retard unit. In the little distributer behind the cylinders on a Guzzi. It advances the spark timing as the revs increase. If it's stuck at full advance the RPM won't drop back to idle....
Forum: Old's Cool 02-12-2015, 12:21 PM
Replies: 699
Views: 200,338
Posted By pommie john
I posted this in another thread, but it's worth...

I posted this in another thread, but it's worth repeating here. Roper on his way to TT victory.
( Probably! I can't remember which year I shot this)
...
Forum: Old's Cool 02-10-2015, 11:21 AM
Replies: 72
Views: 7,040
Posted By pommie john
That's some sacrifice you made there. The world...

That's some sacrifice you made there. The world need more people like you.
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