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Search: Posts Made By: Beemerboff
Forum: Airheads Yesterday, 03:14 AM
Replies: 583
Views: 64,912
Posted By Beemerboff
The Rennsport has "Replica" engine cases and "Re...

The Rennsport has "Replica" engine cases and "Re manufactured" frame , so it might not be one of the 24 which were manufactured - if it was a genuine, original , matching number Rennsport with world...
Forum: Airheads 05-14-2015, 01:38 AM
Replies: 81
Views: 3,218
Posted By Beemerboff
There are a few things which will make a...

There are a few things which will make a difference to your mileage - a known accurately ground cam properly dialed in correctly can help a lot, as does ignition timing set at the optimum position,...
Forum: Airheads 05-13-2015, 01:59 AM
Replies: 81
Views: 3,218
Posted By Beemerboff
Only time I tried I did 530 / 610 km on the G/S,...

Only time I tried I did 530 / 610 km on the G/S, all on sealed roads.
Took 31 liters to refill, so there was still a decent bit in the tank.
I do a bit more dirt now so dont like taking it much...
Forum: Airheads 05-06-2015, 02:22 AM
Replies: 24
Views: 1,283
Posted By Beemerboff
Some of these aftermarket Peanut rocker covers...

Some of these aftermarket Peanut rocker covers will break in a fall off the side stand, so good, thick, OEM, square covers are advisable if you dispense with the crash bars.

Although the are not...
Forum: Airheads 05-04-2015, 10:30 PM
Replies: 583
Views: 64,912
Posted By Beemerboff
http://www.ebay.com.au/itm/BMW-R90S-1976-Barn-find...

http://www.ebay.com.au/itm/BMW-R90S-1976-Barn-find-861-kms-/271853808293?pt


Nice bike and no reserve price!
Forum: Airheads 04-28-2015, 10:15 PM
Replies: 17
Views: 532
Posted By Beemerboff
I had similar trouble, and it was the key...

I had similar trouble, and it was the key switch.
The switch in question had the wires connected to a black plastic disc on the back, crimped into the switch barrel with a couple of crimps, and...
Forum: Airheads 04-23-2015, 02:50 AM
Replies: 22
Views: 1,416
Posted By Beemerboff
Dunlop does the TT100 in a 18" front, if you...

Dunlop does the TT100 in a 18" front, if you want old style tires, and the work as well as most.
Avon probably have something in 18" too, but matbe only in their "race " tires.
Forum: Airheads 04-09-2015, 05:29 PM
Replies: 6
Views: 448
Posted By Beemerboff
High temp silicone sealant does fine, just dont...

High temp silicone sealant does fine, just dont tighten up the clamps until it has hardened.

The old gaskets can end up blocking the inlet holes in the front muffler baffle plate, so worth a...
Forum: Airheads 04-05-2015, 04:48 AM
Replies: 18
Views: 903
Posted By Beemerboff
Folks who have actually tuned these bikes report ...

Folks who have actually tuned these bikes report that there is a difference of up to six degrees in the best max advance between bikes, so it doesn't follow that someone else s figures are going to...
Forum: Airheads 04-03-2015, 11:45 PM
Replies: 1,044
Views: 412,660
Posted By Beemerboff
I have a spare which I bought as a non runner /...

I have a spare which I bought as a non runner / for spares, but according to the guy who repaired my original tach they rarely need any spare parts.

His take is that the vibration on a bike...
Forum: Airheads 04-03-2015, 08:59 PM
Replies: 13
Views: 735
Posted By Beemerboff
I think the original sizes were 4" / 3" as the...

I think the original sizes were 4" / 3" as the early rear rim was 2.15 wide .
And the rim on my 85 G/S is 2.15 too.

But on checking it seems that this is wrong for my bike that later bikes...
Forum: Airheads 04-03-2015, 05:29 PM
Replies: 8
Views: 479
Posted By Beemerboff
That Max parts filch has two left intake tubes...

That Max parts filch has two left intake tubes and no right - this may be correct for the flat AIR box on my G/S but may not be correct for the /7 the OP asked for.
Forum: Airheads 04-03-2015, 05:17 PM
Replies: 13
Views: 735
Posted By Beemerboff
A 120 tire is actually to big for the G/S rim...

A 120 tire is actually to big for the G/S rim anyway, and some brands of 120 take up the wrong profile, and wear wrong.

The correct size was 4" or 110mm and they work better in that the handling...
Forum: Airheads 03-28-2015, 08:29 PM
Replies: 8
Views: 625
Posted By Beemerboff
I dont go that fast but when the speedo needle...

I dont go that fast but when the speedo needle is wobbling around 80 km the 50 mm tach is wavering around 3100 RPM
On a almost worn out 120/80 Distanza, with a non kick start box which might have...
Forum: Airheads 03-28-2015, 04:05 PM
Replies: 11
Views: 667
Posted By Beemerboff
I have an oil temp and pressure gauge on my GS ,...

I have an oil temp and pressure gauge on my GS , and for the sort of riding I do I need the cooler and a deeper sump are a minimum, and a sump spacer would be probably be better. And the silly sump...
Forum: Airheads 03-28-2015, 03:19 PM
Replies: 8
Views: 399
Posted By Beemerboff
13 mm [1/2 ") down from the top seems to work OK...

13 mm [1/2 ") down from the top seems to work OK on both - a mm either way is not critical , unless it floods of course!
Forum: Airheads 03-24-2015, 08:04 PM
Replies: 86
Views: 7,938
Posted By Beemerboff
If you want one bike to do the lot, a carbed F650...

If you want one bike to do the lot, a carbed F650 Funduro, or Classic probably covers all bases the best, in near enough stock form.


Airheads can be whatever you make them, and by now most...
Forum: Airheads 03-22-2015, 01:23 AM
Replies: 359
Views: 41,514
Posted By Beemerboff
As the closest airhead inmate to the lake just a...

As the closest airhead inmate to the lake just a quick weather report - Sat and Sun were perfect, flat calm, autumn days , not a breath of wind and temps mid 70s to low 80s , F not C .

Just...
Forum: Airheads 03-22-2015, 12:56 AM
Replies: 45
Views: 2,399
Posted By Beemerboff
Stagehand, you are correct, but I did try to...

Stagehand, you are correct, but I did try to answer your question in my previous post. But yes, in theory a battery with 120 CCA when new should spin a 120 amp motor, on a nice warm day.

But add...
Forum: Airheads 03-19-2015, 01:54 AM
Replies: 20
Views: 1,175
Posted By Beemerboff
Your GS should have a oil cooler, which adds a...

Your GS should have a oil cooler, which adds a little to the capacity.

Antons site has all the details on sumps and dipsticks, and, yes, you have the smallest sump fitted to any airhead, so extra...
Forum: Airheads 03-19-2015, 01:40 AM
Replies: 45
Views: 2,399
Posted By Beemerboff
I have a 16 AH Motobatt in my 1000 cc R80 G/S....

I have a 16 AH Motobatt in my 1000 cc R80 G/S. Over four years old and never failed to start it.

But 35 F is as cold a morning as we get in these parts.

Had to push the battery box forward...
Forum: Airheads 03-11-2015, 11:58 PM
Replies: 16
Views: 927
Posted By Beemerboff
You need about 2 thou preload on the taper roller...

You need about 2 thou preload on the taper roller bearings to remove the play - taper rollers are constructed to operate that way,and it will do them no harm.

Some final drives have the big deep...
Forum: Airheads 03-08-2015, 05:15 PM
Replies: 359
Views: 41,514
Posted By Beemerboff
What sort of fit did you make the pin in the...

What sort of fit did you make the pin in the bearing? - MI sell pins which fit a bit tighter in the bearingS, as they consider OEM pins are too loose.
Forum: Airheads 03-06-2015, 02:05 PM
Replies: 153
Views: 36,083
Posted By Beemerboff
Like ,who sells HPN gear?

Like ,who sells HPN gear?
Forum: Airheads 03-01-2015, 07:25 PM
Replies: 208
Views: 10,280
Posted By Beemerboff
http://www.thumpertalk.com/blog/7/entry-120-precis...

http://www.thumpertalk.com/blog/7/entry-120-precision-measuring-for-the-at-home-mechanic-part-1/

Some light reading for those who would be precision engineers, with a $10- Harbor Freight caliper
Forum: Airheads 02-22-2015, 12:41 AM
Replies: 208
Views: 10,280
Posted By Beemerboff
According to someone who asked the factory the...

According to someone who asked the factory the latest end float spec is 5 to 15 thou, so zero plus a 8 thou gasket is just fine - a little extra make no difference to anything except Supershafts...
Forum: Airheads 02-08-2015, 07:55 PM
Replies: 553
Views: 87,443
Posted By Beemerboff
Somethings are not always as they seem - some...

Somethings are not always as they seem - some "four piston" calipers are actually two piston sliding calipers, and there are no pistons on the spoke side, just a bracket to hold the pad.

Some...
Forum: Australia 02-05-2015, 07:10 PM
Replies: 85
Views: 9,321
Posted By Beemerboff
Slightly OT but Santa brought me a Lezyne floor...

Slightly OT but Santa brought me a Lezyne floor pump for Xmas.

Best pump ever, cast base, steel body and shaft, wooden T handle, accurate gauge, long hose, brass valve connector, it's all class....
Forum: Thumpers 01-30-2015, 03:24 PM
Replies: 44
Views: 2,922
Posted By Beemerboff
I am almost 70, 5 11" but 30" inseam, arthritis...

I am almost 70, 5 11" but 30" inseam, arthritis everywhere and have a 95 F650 Funduro, or classic, built by Aprilla and bought for just the same reasons you have.

Tried most of tha alternatives,...
Forum: Airheads 01-25-2015, 11:29 PM
Replies: 359
Views: 41,514
Posted By Beemerboff
The first guy who claimed he was doing it that...

The first guy who claimed he was doing it that way was racing in a stock block production class, but was getting blocks out of the factory with the lifter bores unmachined, and was machining them...
Forum: Old's Cool 01-19-2015, 02:38 PM
Replies: 127
Views: 18,552
Posted By Beemerboff
The need for the connecting pipe depends on how...

The need for the connecting pipe depends on how restrictive the system is - if it is free flowing there is little or no benefit in a balance pipe.
And FWIW the position of the balance pipe makes no...
Forum: Old's Cool 01-19-2015, 12:54 AM
Replies: 127
Views: 18,552
Posted By Beemerboff
http://www.nichecycle.com/ncs/categories/exhaust/e...

http://www.nichecycle.com/ncs/categories/exhaust/exhaust-systems/ac6-0803-bmw-gs-1000-88-89-2-1-competition-by-mac-performance.html

At the price some folks are asking for a collector you can...
Forum: Airheads 01-18-2015, 02:09 AM
Replies: 40
Views: 4,684
Posted By Beemerboff
It is not the bearings that are damaged by the...

It is not the bearings that are damaged by the heat of powder coating, but the wheels themselves. -do a google search on heat treating aluminum before you consider powder coating them, as aluminum...
Forum: Australia 01-11-2015, 02:45 AM
Replies: 14,829
Views: 1,123,267
Posted By Beemerboff
Most Dririder stuff is absolute crap, and will...

Most Dririder stuff is absolute crap, and will fall apart in no time - I wouldnt pay any more than $40- for that jacket, and even then it will be trash in a couple of months of decent use.
...
Forum: Airheads 01-10-2015, 01:31 PM
Replies: 359
Views: 41,514
Posted By Beemerboff
Um, about 125 mm of rain has fallen in the lake...

Um, about 125 mm of rain has fallen in the lake region in the past couple of days , with more to follow.
ABC news has the details but the lake will be distinctly soggy for a week or two- might be...
Forum: Australia 12-29-2014, 03:47 PM
Replies: 14,829
Views: 1,123,267
Posted By Beemerboff
GC NORTH quoted me $295- for a 90/21" and a...

GC NORTH quoted me $295- for a 90/21" and a 120/18 for my G/S , fitted on the bike.

I arrived with loose wheels, but the arsehole still wanted $325-, and he charged me $39 each for HD tubes, but...
Forum: Airheads 12-20-2014, 12:48 AM
Replies: 48
Views: 2,780
Posted By Beemerboff
You got springs to go above the pistons ? ...

You got springs to go above the pistons ?

Good point by SS about the air port for the idle circuit - no one seems to mention it but it is quite important. I blast carb cleaner down the hole at...
Forum: Airheads 12-01-2014, 04:39 AM
Replies: 1,526
Views: 117,102
Posted By Beemerboff
Chas ,the figures are the same because the source...

Chas ,the figures are the same because the source is the same - they both come from the manufacturers press hand out kit.

The bike magazines "tests" are just an amalgamation of photoshop and the...
Forum: Airheads 11-30-2014, 03:36 PM
Replies: 300
Views: 16,368
Posted By Beemerboff
These flat plates do flex, and after 30 years of...

These flat plates do flex, and after 30 years of hard use my G/S one had just about reached its limit - so comparisons with new plates are not relevant here - we are working with old, worn, fatigued ...
Forum: Airheads 11-29-2014, 11:50 PM
Replies: 10
Views: 1,117
Posted By Beemerboff
If you have 32 mm carbs it appears from Antons...

If you have 32 mm carbs it appears from Antons site you want about 62 mmn of inner cable below the bottom of the adjuster on the carb, to reach down to the lever which turns the butterfly.

So...
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