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Search: Posts Made By: pommie john
Forum: Airheads Today, 05:15 PM
Replies: 25
Views: 922
Posted By pommie john
This is turning into a helmet thread, sorry:D ...

This is turning into a helmet thread, sorry:D

If it has obvious signs of damage, scrapes, dents etc , bin it. Bin it now!

Helmets have a sticker inside that gives the build date. Depending on...
Forum: Airheads 11-11-2014, 03:51 PM
Replies: 17
Views: 622
Posted By pommie john
When you remove the flywheel, the crank is free...

When you remove the flywheel, the crank is free to float back and forward. If it moves forward, the thrust bearings can fall off their pegs and when you re bolt the flywheel up, you can cause a lot...
Forum: Airheads 11-09-2014, 04:47 AM
Replies: 212
Views: 20,920
Posted By pommie john
Looking good adrenal. You reckon it'll be ready...

Looking good adrenal. You reckon it'll be ready for 2015?
Forum: Airheads 11-04-2014, 12:07 AM
Replies: 83
Views: 3,736
Posted By pommie john
My friends have been right all along... it's an...

My friends have been right all along... it's an old man's bike .
Forum: Airheads 11-02-2014, 03:24 AM
Replies: 13
Views: 565
Posted By pommie john
They're just spacers to give more pre load on the...

They're just spacers to give more pre load on the springs.

I'd expect the same number on each side though. If you leave the caps off are the springs extending the same distance out of the top...
Forum: Airheads 10-29-2014, 06:40 PM
Replies: 32
Views: 1,451
Posted By pommie john
It's hard to tell from the video. The nuts...

It's hard to tell from the video.

The nuts have a slight flange on one side, almost like a captive washer. That side should be down, as in next to the rocker block.
Forum: Airheads 10-29-2014, 06:07 PM
Replies: 64
Views: 3,417
Posted By pommie john
I often wonder what I should do to make my race...

I often wonder what I should do to make my race bike a little quicker, but the honest answer ( and one that applies to most amateur racers like us) is that I should use the throttle more and the...
Forum: Airheads 10-29-2014, 01:59 AM
Replies: 161
Views: 15,780
Posted By pommie john
I for one would like to keep seeing updates on...

I for one would like to keep seeing updates on this thread... please.

For anyone who wants to know why we'd modify an old bike when it won't out perform a modern bike... the answer's simple:...
Forum: Airheads 10-27-2014, 08:56 PM
Replies: 64
Views: 3,417
Posted By pommie john
Sounds like the bike went light on the brow of...

Sounds like the bike went light on the brow of the hill and just lost grip.
Forum: Airheads 10-26-2014, 06:34 PM
Replies: 64
Views: 3,417
Posted By pommie john
I disagree. I think it does affect the handling....

I disagree. I think it does affect the handling. I rode mine with the engine low ( and it scraped the ground) then I raised it. It definitely steered better with the engine low, but if you're...
Forum: Airheads 10-26-2014, 04:25 PM
Replies: 64
Views: 3,417
Posted By pommie john
Is he using standard length rear shocks? It...

Is he using standard length rear shocks? It gives a little more ground clearance.

Mine are about 20mm longer ( actually the subframe is 20mm lower, but it has the same effect).
Forum: Airheads 10-25-2014, 05:54 PM
Replies: 161
Views: 15,780
Posted By pommie john
When do we get to see the frame? It's obviously...

When do we get to see the frame? It's obviously not standard.
Forum: Airheads 10-25-2014, 04:30 AM
Replies: 19
Views: 769
Posted By pommie john
That's more about extra grip for delivering...

That's more about extra grip for delivering power to the ground.
Forum: Airheads 10-24-2014, 03:59 PM
Replies: 19
Views: 769
Posted By pommie john
That's the idea. You find out which wheel has...

That's the idea. You find out which wheel has more weight on it by weighing the front and back separately.
Forum: Airheads 10-24-2014, 06:58 AM
Replies: 19
Views: 769
Posted By pommie john
It's quite easy to weigh a bike just with...

It's quite easy to weigh a bike just with bathroom scales.

Pop the scales under one wheel and put a bit of wood under the other that's about the same thickness as the scales. Swap and repeat. ...
Forum: Airheads 10-19-2014, 08:09 PM
Replies: 23
Views: 1,090
Posted By pommie john
That valve is probably bent.

That valve is probably bent.
Forum: Old's Cool 10-16-2014, 02:00 AM
Replies: 0
Views: 281
Posted By pommie john
Yamaha RZ350 fork issue

I'm rebuilding a set of RZ 350 forks ( I think they are from 1983 ) and there's something that's a bit confusing.

In the bottom of the fork tube there is a collar that can turn. This collar has...
Forum: Airheads 10-09-2014, 03:33 PM
Replies: 36
Views: 1,944
Posted By pommie john
My canister has a small tab silver soldered onto...

My canister has a small tab silver soldered onto it to prevent it moving back into the crankcase, just in case.
Forum: Airheads 10-08-2014, 07:48 PM
Replies: 36
Views: 1,944
Posted By pommie john
You do have to wonder about the design of...

You do have to wonder about the design of something so important that can but stuffed up so easily with such major consequences.

I really like the look of MI's sump and oil filter combo.
Forum: Airheads 10-08-2014, 07:00 AM
Replies: 21
Views: 898
Posted By pommie john
The reverse is also true.. if the rocker cover is...

The reverse is also true.. if the rocker cover is scraping on the road, whatever you do, don't shut the throttle!"
Forum: Airheads 10-02-2014, 03:10 AM
Replies: 9
Views: 709
Posted By pommie john
Built by someone who didn't own a tube bender :D

Built by someone who didn't own a tube bender :D
Forum: Airheads 09-30-2014, 02:44 AM
Replies: 212
Views: 20,920
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 09-30-2014, 01:12 AM
Replies: 2
Views: 312
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 09-30-2014, 12:49 AM
Replies: 212
Views: 20,920
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, 10:58 PM
Replies: 212
Views: 20,920
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, 03:11 AM
Replies: 110
Views: 5,704
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, 05:27 AM
Replies: 62
Views: 3,731
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, 03:24 AM
Replies: 62
Views: 3,731
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, 06:07 PM
Replies: 62
Views: 3,731
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, 05:50 PM
Replies: 3
Views: 526
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, 04:26 AM
Replies: 984
Views: 66,554
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, 03:43 PM
Replies: 984
Views: 66,554
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, 06:29 PM
Replies: 31
Views: 2,188
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, 06:23 PM
Replies: 984
Views: 66,554
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, 06:04 PM
Replies: 39
Views: 2,126
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, 02:39 AM
Replies: 984
Views: 66,554
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, 08:38 PM
Replies: 27
Views: 1,387
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, 02:00 AM
Replies: 10
Views: 915
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, 01:36 AM
Replies: 10
Views: 915
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, 01:13 AM
Replies: 984
Views: 66,554
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 :)
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