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Search: Posts Made By: pommie john
Forum: Airheads Yesterday, 01:44 AM
Replies: 185
Views: 17,193
Posted By pommie john
I take it you've read the rule book... the...

I take it you've read the rule book... the extensive rule book ?

I'll have another look but I think first timers have to do a test before they're allowed over 100MPH on the proper track.
Forum: Airheads Yesterday, 12:12 AM
Replies: 2
Views: 190
Posted By pommie john
These look OK, good price too. I know...

These look OK, good price too.

I know nothing about the company but a friend bought a exhaust from them and it's really good quality.
...
Forum: Airheads 09-29-2014, 11:49 PM
Replies: 185
Views: 17,193
Posted By pommie john
If you're halfway serious, I'm halfway...

If you're halfway serious, I'm halfway interested... if only I can persuade the Mrs :) especially after the weekend. Went to Lakeside for the Aussie titles. There was a fatal accident :(:
Forum: Airheads 09-29-2014, 09:58 PM
Replies: 185
Views: 17,193
Posted By pommie john
This is looking so impressive! Who's riding...

This is looking so impressive!

Who's riding it ? You the pilot?
Forum: Airheads 09-27-2014, 02:11 AM
Replies: 75
Views: 2,855
Posted By pommie john
I like to ride it this fast :) My calcs say...

I like to ride it this fast :)

My calcs say it's about 140MPH

http://www.youtube.com/watch?v=pyNtBTZE5wc


I can't get it to embed for some reason.
Forum: Airheads 09-22-2014, 04:27 AM
Replies: 62
Views: 3,066
Posted By pommie john
Wicked A salt racer only needs to go in a straight line,...

A salt racer only needs to go in a straight line, who cares about handling? :evil
Forum: Airheads 09-19-2014, 02:24 AM
Replies: 62
Views: 3,066
Posted By pommie john
I think your suggestion would work to a degree. ...

I think your suggestion would work to a degree. The bracing you suggest is quite near the upper ends of the rear tubes.

I stiffened up that area like this.
...
Forum: Airheads 09-18-2014, 05:07 PM
Replies: 62
Views: 3,066
Posted By pommie john
I fitted that brace after sitting in the shed...

I fitted that brace after sitting in the shed looking at the bike for hours :)

Many years ago I rode a friend's airhead race bike and it had excellent power, but dreadful handling. Any time you...
Forum: Airheads 09-18-2014, 04:50 PM
Replies: 3
Views: 430
Posted By pommie john
OMG! What a mess! Was any oil getting to...

OMG! What a mess!

Was any oil getting to the rockers?

I used red loctite on mine when I installed them, but you have to be careful that you don't block the oil supply holes. The holes are...
Forum: Airheads 09-18-2014, 03:26 AM
Replies: 937
Views: 56,285
Posted By pommie john
For what it's worth I had a pair of heads...

For what it's worth I had a pair of heads modified by welding the inlet stubs at a different angle. After this was done the valve seats kept moving and I could not get the valves to seal. I...
Forum: Airheads 09-11-2014, 02:43 PM
Replies: 937
Views: 56,285
Posted By pommie john
When people ask me how many motorcycles I own,...

When people ask me how many motorcycles I own, the answer is always " Not quite enough"
Forum: Airheads 09-07-2014, 05:29 PM
Replies: 31
Views: 1,790
Posted By pommie john
+1 I've had a few serious wobbles on the...

+1

I've had a few serious wobbles on the racetrack and every time the first thing you must do is pump the brake lever.

The forks flex enough for the calliper and disc to move relative to each...
Forum: Airheads 09-07-2014, 05:23 PM
Replies: 937
Views: 56,285
Posted By pommie john
OMG you've had some bad luck. I too would...

OMG you've had some bad luck.

I too would recommend a break from the project to recoup some energy and enthusiasm.

I've spent the last year trying to sort out a carburation problem on my...
Forum: Airheads 09-06-2014, 05:04 PM
Replies: 39
Views: 1,724
Posted By pommie john
On pre 1981 models, the guide ring was part of...

On pre 1981 models, the guide ring was part of the flywheel.
Forum: Airheads 09-06-2014, 01:39 AM
Replies: 937
Views: 56,285
Posted By pommie john
OK, so now you know you didn't forget it. Just...

OK, so now you know you didn't forget it. Just check and check again when you fit the next ones.
Forum: Airheads 08-30-2014, 07:38 PM
Replies: 27
Views: 1,197
Posted By pommie john
It's hard to tell from the photo if the main seal...

It's hard to tell from the photo if the main seal is leaking, I assume you've had a good look and checked that black deposit all over the place is not oily?

It's also worth checking that the...
Forum: Airheads 08-28-2014, 01:00 AM
Replies: 10
Views: 789
Posted By pommie john
That's a perfectly good option, just make sure...

That's a perfectly good option, just make sure the splitter has enough travel to open the throttle fully.
Forum: Airheads 08-25-2014, 12:36 AM
Replies: 10
Views: 789
Posted By pommie john
Having read your question again, on the question...

Having read your question again, on the question of pull and so on. What you need to do is take the cables out of the throttle body and grab the cable and pull the end of the cable to open the...
Forum: Airheads 08-25-2014, 12:13 AM
Replies: 937
Views: 56,285
Posted By pommie john
I'd be surprised if it was the carbs, but maybe ...

I'd be surprised if it was the carbs, but maybe try raising the needles a notch, but my honest opinion is that it needs twin pugs :)
Forum: Airheads 08-24-2014, 11:24 PM
Replies: 10
Views: 789
Posted By pommie john
That is a copy of the old Tomaselli Daytona...

That is a copy of the old Tomaselli Daytona throttle.
I have on on my Norton Commando. I make custom cables for it. The thing you want to check is how much cable pull is required to get from...
Forum: Airheads 08-24-2014, 07:55 PM
Replies: 19
Views: 1,141
Posted By pommie john
Poor earth ( ground) connections can cause all...

Poor earth ( ground) connections can cause all sorts of weird problems. It's common for a poor earth to cause brake lights to flash like indicators.
Go over it thoroughly checking all earth...
Forum: Airheads 08-24-2014, 05:37 PM
Replies: 937
Views: 56,285
Posted By pommie john
It is available, but I don't think it's in the...

It is available, but I don't think it's in the normal stuff. I have noticed however, that fuel lines on my bikes perish quite quickly.


edit: This is what the govt website says:

The...
Forum: Airheads 08-24-2014, 03:32 PM
Replies: 937
Views: 56,285
Posted By pommie john
For what it's worth, I have 10.5:1 comp with...

For what it's worth, I have 10.5:1 comp with Mahle pistons ( they have an mildly domed crown) twin plugs and a very old Boyer analogue ignition set to 28 degrees full advance. It doesn't ping...
Forum: Airheads 08-23-2014, 07:20 PM
Replies: 937
Views: 56,285
Posted By pommie john
Bonneville! Have fun! I'm told that you need...

Bonneville! Have fun! I'm told that you need to put sunscreen under your chin 'cos the sun reflects up from the salt.

We expect plenty of photos.
Forum: Airheads 08-22-2014, 05:02 PM
Replies: 937
Views: 56,285
Posted By pommie john
Cool, thanks for the info. John

Cool, thanks for the info.

John
Forum: Airheads 08-21-2014, 11:07 PM
Replies: 937
Views: 56,285
Posted By pommie john
Which Omega pistons fit an airhead? What bore...

Which Omega pistons fit an airhead? What bore size are they? Do they have standard wrist pin to crown height?

Thanks
john
Forum: Airheads 08-16-2014, 07:31 PM
Replies: 18
Views: 1,276
Posted By pommie john
As jackd suggested, I used a soft alloy drift to...

As jackd suggested, I used a soft alloy drift to tap the guide ring around to the bolt holes in the ring overlapped the bolt holes in the crank . Then I could get a metal hook into them and darg it...
Forum: Old's Cool 08-15-2014, 09:43 PM
Replies: 12
Views: 1,251
Posted By pommie john
As promised. Isle of Man mid 80s I think. ...

As promised.

Isle of Man mid 80s I think.

A man on a mission.

http://i5.photobucket.com/albums/y178/pommiejohn/IMG_1590_zps36f1213d.jpg...
Forum: Airheads 08-15-2014, 09:08 PM
Replies: 4
Views: 289
Posted By pommie john
If you take the caliper off you'll be able to get...

If you take the caliper off you'll be able to get more pressure with your fingers on the piston. You can also slip off the rubber dust shield and give it a clean up under there if it needs it.
...
Forum: Airheads 08-15-2014, 09:05 PM
Replies: 937
Views: 56,285
Posted By pommie john
There's no reason why they can't mask the pushrod...

There's no reason why they can't mask the pushrod tubes before they bead blast them.
Forum: Airheads 08-15-2014, 05:12 AM
Replies: 24
Views: 1,746
Posted By pommie john
He's probably right :) I've put my race...

He's probably right :)

I've put my race Commando on the road and rarely use more than 1/3 throttle. Cruising at the ( ludicrous 62MPH) speed limit it's on about 1/4 throttle, if that.
Forum: Airheads 08-13-2014, 07:14 PM
Replies: 937
Views: 56,285
Posted By pommie john
You need to determine whether it's wheel bearings...

You need to determine whether it's wheel bearings or swinging arm bearings. I'm not sure that final drive would affect wheel play.... no doubt someone will correct me if I'm wrong :)


Wheels...
Forum: Old's Cool 08-12-2014, 03:22 AM
Replies: 12
Views: 1,251
Posted By pommie john
I saw Roper ride at the Isle of Man. I'll...

I saw Roper ride at the Isle of Man.

I'll dig out a shot I have of him at Ballaugh. He looks serious. Gimme a day or two.
Forum: Old's Cool 08-08-2014, 12:45 PM
Replies: 15,445
Views: 8,955,725
Posted By pommie john
lol!!

lol!!
Forum: Old's Cool 08-07-2014, 04:56 PM
Replies: 15,445
Views: 8,955,725
Posted By pommie john
You can tell it's a Brit bike, she can't find...

You can tell it's a Brit bike, she can't find neutral and has to switch it off with her right hand while keeping the clutch pulled:)
Forum: Airheads 08-06-2014, 04:19 PM
Replies: 6
Views: 625
Posted By pommie john
The ribbed one is a later model. I use ...

The ribbed one is a later model.


I use several different rear drives on my race bike and one of them is the ribbed type. From memory, either the brake shoes or the brake cam is different but...
Forum: Airheads 07-18-2014, 10:06 AM
Replies: 20
Views: 1,677
Posted By pommie john
Well, once you have two or more gauges agreeing...

Well, once you have two or more gauges agreeing on the pressure, you've got something to go on :)
Forum: Airheads 07-18-2014, 07:35 AM
Replies: 20
Views: 1,677
Posted By pommie john
I have three gauges , one pencil, one digital and...

I have three gauges , one pencil, one digital and one dial. The pencil and digital read exactly the same and the dial one is around 10psi high! It's a common problem with cheap gauges.

I'd do...
Forum: Old's Cool 06-19-2014, 02:04 AM
Replies: 15,445
Views: 8,955,725
Posted By pommie john
Two discs, one calliper. Odd brake set up.

Two discs, one calliper. Odd brake set up.
Forum: Airheads 06-17-2014, 02:28 AM
Replies: 14
Views: 1,012
Posted By pommie john
4.5" is only 114mm so it should fit in. Most...

4.5" is only 114mm so it should fit in. Most tyres are reasonably close to their stated width, assuming you put them on the recommended rim.
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