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Search: Posts Made By: chasbmw
Forum: Airheads Today, 02:38 AM
Replies: 72
Views: 5,839
Posted By chasbmw
My R90/6 somewhere in France returning from my...

My R90/6 somewhere in France returning from my recent 3000 mile trip to Greece, camping every night apart from one week with Katie in Greece.
...
Forum: Airheads Today, 12:38 AM
Replies: 10
Views: 355
Posted By chasbmw
There are bash plates available from some...

There are bash plates available from some European vendors.

I made the mistake of buying one.

It consisted of 5mm thick aluminium plate a sump extender (so that oil capacity was slightly...
Forum: Airheads 06-27-2015, 02:49 AM
Replies: 8,276
Views: 1,732,552
Posted By chasbmw
If you have a digital processor as part of your...

If you have a digital processor as part of your ignition, then you will upset your ignition as well as your neighbours TV
Forum: Airheads 05-27-2015, 01:45 AM
Replies: 24
Views: 1,584
Posted By chasbmw
Thanks, looking forward to the trip. I tend to...

Thanks, looking forward to the trip.
I tend to avoid the big name passes, unless you are on them at 6.30 am, tend to be too full of traffic, yet to plan the route from Switzerland to Italy!
Forum: Airheads 05-27-2015, 12:01 AM
Replies: 24
Views: 1,584
Posted By chasbmw
And it won't, Deibond RTV will seal against...

And it won't, Deibond RTV will seal against almost anything. It's a design/manufacturing fault I reckon.

I'm off to Greece tomorrow, don't really want to risk oil leaks far from home.
Forum: Airheads 05-26-2015, 01:05 PM
Replies: 24
Views: 1,584
Posted By chasbmw
I made the mistake of buying one of the...

I made the mistake of buying one of the extender/sump plates that I described above.

First problem was that all the fixing bolts were too long, so a happy hour or so with a hacksaw.

Second...
Forum: Airheads 05-25-2015, 02:42 AM
Replies: 0
Views: 207
Posted By chasbmw
Boyer troubleshooting link.

I found this link the other day, it's directly relevant to Britt bikes, but much of the troubleshooting principles are the same for airheads.

http://www.tioc.org/boyer/boyertestnewweb.htm

I see...
Forum: Airheads 05-25-2015, 12:49 AM
Replies: 15
Views: 1,042
Posted By chasbmw
If it's a swiss registered bike, then inspections...

If it's a swiss registered bike, then inspections are by all accounts pretty severe, failures for minor oil leaks etc etc.
Forum: Airheads 05-24-2015, 06:56 AM
Replies: 15
Views: 1,042
Posted By chasbmw
Marks advice is good. Think about replacing...

Marks advice is good.

Think about replacing wheel and headstock bearings, how many miles on gearbox? Think about replacing Hall Sender in the ignition? Go back to 32mm carbs, don't ride at night,...
Forum: Airheads 05-22-2015, 07:10 AM
Replies: 715
Views: 134,104
Posted By chasbmw
BBQ racks, always good a sleeping bag on each and...

BBQ racks, always good a sleeping bag on each and you have weather protected knees
Forum: Old's Cool 05-21-2015, 06:51 AM
Replies: 21
Views: 2,631
Posted By chasbmw
I don't think that they have proper oil...

I don't think that they have proper oil filtration, so use a low detergent 30 or 40w oil and change it often, judging by the look of the oil sump the oil better be cheap!
Forum: Airheads 05-21-2015, 01:18 AM
Replies: 81
Views: 3,661
Posted By chasbmw
Modern bike can run very high compression ratios...

Modern bike can run very high compression ratios by various means which might include cylinder head design, accurate mixture control via fuel injection and accurate ignition timing which reacts to...
Forum: Old's Cool 05-20-2015, 12:45 AM
Replies: 13
Views: 1,031
Posted By chasbmw
On my airhead I have run BT45s and Roadriders,...

On my airhead I have run BT45s and Roadriders, but the Pilot Active has better grip wet or dry and when fitted in the original skinny sizes results in a bike that is very agile, but also stable. A...
Forum: Airheads 05-19-2015, 11:45 AM
Replies: 81
Views: 3,661
Posted By chasbmw
Modern engines seem to be cleverly engineered so...

Modern engines seem to be cleverly engineered so that they run very lean with high compression ratios this is enabled by all that clever electronics that we airhead riders appear to despise!

Also...
Forum: Old's Cool 05-19-2015, 03:40 AM
Replies: 3,147
Views: 471,951
Posted By chasbmw
didnt the first Cx's have either camshaft or cam...

didnt the first Cx's have either camshaft or cam chain tensioner problems?

probably out of warranty now:freaky:freaky
Forum: Airheads 05-19-2015, 01:28 AM
Replies: 27
Views: 2,317
Posted By chasbmw
As a hard case the Krauser design got some things...

As a hard case the Krauser design got some things really right.

The way the cases sit into the bike, fitting really close in tight to the wheel and nice and low and close to the silencers. They...
Forum: Airheads 05-18-2015, 09:16 AM
Replies: 140
Views: 12,095
Posted By chasbmw
Any non setting sealant should do.

Any non setting sealant should do.
Forum: Airheads 05-18-2015, 07:28 AM
Replies: 140
Views: 12,095
Posted By chasbmw
A smear of Hylomar around the fork nut threads...

A smear of Hylomar around the fork nut threads should sort out the leakage issue!

Can't comment on the fork oil weight query, just one of the many Racetech variables!
Forum: Airheads 05-16-2015, 04:40 AM
Replies: 7
Views: 577
Posted By chasbmw
I have never seen a bmw with a frame brace aft of...

I have never seen a bmw with a frame brace aft of the centre frame tube, as shown in the photo. As twinshock tool boxes sit on the centre frame tube you might just need to build something smaller to...
Forum: Airheads 05-15-2015, 01:45 PM
Replies: 7
Views: 407
Posted By chasbmw
when i had this issue it was because when I had...

when i had this issue it was because when I had replaced the alternator brushes, I fitted springs incorrectly so they were not pushing the brushes hard enough onto the rotor>

Bike went from Calais...
Forum: Airheads 05-15-2015, 01:37 PM
Replies: 16
Views: 712
Posted By chasbmw
I agree, you are right, but I had to go out to...

I agree, you are right, but I had to go out to the garage to look at the bike to check.

I just give each side of the rocker gasket a smear of grease and they work fine!
Forum: Airheads 05-15-2015, 12:47 AM
Replies: 16
Views: 712
Posted By chasbmw
True for head gaskets, but not true for valve...

True for head gaskets, but not true for valve cover gaskets
Forum: Airheads 05-14-2015, 09:30 AM
Replies: 12
Views: 811
Posted By chasbmw
Poor choice of front tyre! Sounds like he is...

Poor choice of front tyre!

Sounds like he is really advertising the bike for sale!
Forum: Airheads 05-14-2015, 09:25 AM
Replies: 22
Views: 1,478
Posted By chasbmw
BMW usually make changes around the time of the...

BMW usually make changes around the time of the summer factory shutdown in August, so 1976 model year bikes would have been produced from September 1975, but it's not an exact science and the factory...
Forum: Airheads 05-14-2015, 07:36 AM
Replies: 2
Views: 198
Posted By chasbmw
Shimming fork brace

I have been looking at shimming the fork brace on my 90/6......

With the forks on the bike and the wheel out but axle in, I tightened the fork brace to the LH hand lower and used feeler gauges on...
Forum: Airheads 05-14-2015, 03:33 AM
Replies: 22
Views: 1,145
Posted By chasbmw
You do realise that once BMW speedos reach 99999,...

You do realise that once BMW speedos reach 99999, they revert back to zero? And if you are going to ask 8500$ for the bike you can pay for an awful lot of new switchgear.
Forum: Airheads 05-14-2015, 03:28 AM
Replies: 81
Views: 3,661
Posted By chasbmw
I travel with a friend, we always refuel at the...

I travel with a friend, we always refuel at the same time so it's fairly easy to compare mileage at the same speeds, when I was using my 1070 bike with standard assyemtrical cam and standard 9.5 CR I...
Forum: Airheads 05-14-2015, 01:18 AM
Replies: 81
Views: 3,661
Posted By chasbmw
Increasing the compression ratio is a very good...

Increasing the compression ratio is a very good way to increase engine efficiency and twin plugging helps to enable you to run an increased compression ratio on our somewhat old fashioned head...
Forum: Airheads 05-13-2015, 01:53 PM
Replies: 24
Views: 1,343
Posted By chasbmw
The Lithuanian guy at my local Timsons, cut it...

The Lithuanian guy at my local Timsons, cut it with no problems or disassembly for Free!
Forum: Airheads 05-13-2015, 12:27 AM
Replies: 81
Views: 3,661
Posted By chasbmw
UK gallons are bigger than US ones, but miles or...

UK gallons are bigger than US ones, but miles or KMs to empty stay the same. UK fuel contains up to 10% alcohol.

The short straws provide the reserve supply and the straw protects your carbs from...
Forum: Airheads 05-12-2015, 12:17 PM
Replies: 81
Views: 3,661
Posted By chasbmw
what did it do before you made the jetting...

what did it do before you made the jetting changes?
Forum: Airheads 05-12-2015, 08:34 AM
Replies: 81
Views: 3,661
Posted By chasbmw
A worn needle jet will richen the mixture often...

A worn needle jet will richen the mixture often worth 5 mpg. But still it's really bad. I can get close to 300 miles on a full tank, my 90/6 runs a higher comp ratio with twin plugs and used...
Forum: Airheads 05-12-2015, 08:26 AM
Replies: 16
Views: 2,055
Posted By chasbmw
The ignition switch should be relocated back to...

The ignition switch should be relocated back to the LH headlamp ear, it's used to secure the headlamp. You may have to shorten wires to the handlebar controls or wind excess wire into headlamp...
Forum: Airheads 05-12-2015, 08:18 AM
Replies: 209
Views: 19,281
Posted By chasbmw
The side panel on the LH side can't fall off as...

The side panel on the LH side can't fall off as the handle keeps it from doing so. I use a zip tie on the RH side, just use a small one and the hole you need to drill won't be obvious+ 2 rubber...
Forum: Airheads 05-12-2015, 01:12 AM
Replies: 81
Views: 3,661
Posted By chasbmw
That's ridiculously poor fuel mileage even off...

That's ridiculously poor fuel mileage even off road
Forum: Old's Cool 05-10-2015, 11:15 AM
Replies: 1,890
Views: 324,500
Posted By chasbmw
I spoke to Kirby Rowbothom at Stafford, who had a...

I spoke to Kirby Rowbothom at Stafford, who had a shed load of secondhand Pazons for sale, looking for a backup ignition for the 90/6, he reckoned that Boyer have upped their game, with the revised...
Forum: Airheads 05-10-2015, 02:19 AM
Replies: 2
Views: 564
Posted By chasbmw
Not a bad video, quite a few of the travelling...

Not a bad video, quite a few of the travelling cliches. I like the strap line about "not living your life vicariously". Bit ironic as I guess that most of the people buying Tourentec kit are doing...
Forum: Airheads 05-10-2015, 01:59 AM
Replies: 13
Views: 662
Posted By chasbmw
Everything I've read says don't use it as it has...

Everything I've read says don't use it as it has an adverse affect on seals etc, just use plain ordinary and flush once a year.
Forum: Airheads 05-09-2015, 07:37 AM
Replies: 19
Views: 1,068
Posted By chasbmw
I would be wary of shorting any bike with an...

I would be wary of shorting any bike with an electronic ignition and shorting 2 plugs at once would be interesting test of dexterity. Much easier to use vacuum gauges, one with a digital read out(...
Forum: Airheads 05-09-2015, 07:30 AM
Replies: 157
Views: 15,073
Posted By chasbmw
At least you can be reasonably sure that the...

At least you can be reasonably sure that the problem is with the ignition and not your bike, but it must be really irritating to find that the problem continues even after replacing the black box.
...
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