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Old 03-29-2011, 10:40 AM   #361
Barbara
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Too cool!

HI Folks,

This is too cool for words---almost. My first post on this site, and I find all sorts of items and tips for Airheads! Perfect! I got my first BMW (R80/7) a year ago last fall, built it over the winter, and ride across the country and back last Spring. I've put many years and miles on British bikes, but not on a Beemer, and I love the big, blue beastie!

I do have a question about the air filter element: my bike is registered as a 1980, but the engine number says 1979. The OEM filter element seems to be too large for the square case on the engine. There is one in there, filtering the air--more or less--but it is time to replace it. I've already tried the one from the dealer, and it is too large by about half an inch. Any ideas? Anyone run across this, or have a source for the alternate size filter? K&N perhaps?

So, right. Huge site, sort of intimidating, but fun. I think I'll enjoy it here...
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Old 03-29-2011, 01:09 PM   #362
mark1305
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Welcome aboard! Now fill out some more of your profile to give folks and idea of where you are in the world.

The air cleaner should be the same for all those years. My 83 R80 ST uses the same part number, but I have a K&N that came with the bike. The OEM part # is 13721337080.

The K&N matches the outside dimensions of the airbox, give or take a few mm oversize, and lid so that it gets squeezed between them to make the seal around its rubber "frame". I'm guessing the OEM filter should be the same.

Be aware that some folks that do routine lube oil analysis on their airheads claim that K&N filters result in higher silica numbers in the oil assay. That usually means more sand/dust is getting through compared to OEM type filters. I don't know that first hand, but have read it more than once.
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Old 03-29-2011, 02:34 PM   #363
danedg
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Quote:
Originally Posted by Barbara View Post
HI Folks,

This is too cool for words---almost. My first post on this site, and I find all sorts of items and tips for Airheads! Perfect! I got my first BMW (R80/7) a year ago last fall, built it over the winter, and ride across the country and back last Spring. I've put many years and miles on British bikes, but not on a Beemer, and I love the big, blue beastie!

I do have a question about the air filter element: my bike is registered as a 1980, but the engine number says 1979. The OEM filter element seems to be too large for the square case on the engine. There is one in there, filtering the air--more or less--but it is time to replace it. I've already tried the one from the dealer, and it is too large by about half an inch. Any ideas? Anyone run across this, or have a source for the alternate size filter? K&N perhaps?

So, right. Huge site, sort of intimidating, but fun. I think I'll enjoy it here...

Why does he have a snowflake on the front and wire at the back?
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Old 03-29-2011, 03:01 PM   #364
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Quote:
Originally Posted by danedg View Post
Why does he have a snowflake on the front and wire at the back?
Look closer mejefe', it's got snowflakes

I bought a UNI on ebay, way less expensive than the K&N.
Fitment at the rear corners of the airbox could be better though...
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Old 03-29-2011, 03:11 PM   #365
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Yep, snowflakes and tubeless front and rear---my first cast wheels and (obviously) first tubeless tires on a bike, ever. Her name, btw, is Millie, because (compared to the rest of the stable) she is "Thoroughly Modern".....oh, and if anyone wants to trade a kilometer speedo for a mile speedo, I'd be up for that. Her speedo broke, and the only one I could find was from a very nice guy in British Columbia, and it is in kilometers.

OK---off to fill in profile......
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Old 03-29-2011, 03:21 PM   #366
danedg
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Quote:
Originally Posted by Rapid Dog View Post
Look closer mejefe', it's got snowflakes

I bought a UNI on ebay, way less expensive than the K&N.
Fitment at the rear corners of the airbox could be better though...
Sucks gettin' old!
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Old 03-29-2011, 07:44 PM   #367
Beemerboff
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The aif fliter element will go on upside down and or back to front, but it looks the wrong size when it is----------.

Forget the old wives tales on K & N s - folks like Honda were asking $130- for OEM filters 10 years ago , so they didnt want anyone buying a everlasting $80- filter.

With a properly prepared K & N and a verifiable full lifecycle test the K & N works better than stock, over the life of a stock filter.

Test which show different results usually concentrate on the first couple of hours of the filters life, where a new paper filter will outperform a newly oiled K & N, but the paper filter gets worse from day one while the the K&N gets better.

I switched to a home made a Uni on my G/Ss here in dusty Oz because any filter blocks PDQ, and with my Uni system I can pack a spare foam element which is always clean and ready to go in, if I run into a lot of dust.
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Old 03-31-2011, 12:18 PM   #368
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I have an original 1971 tool kit, tool roll case, and owners manual for sale, link here: http://www.advrider.com/forums/showt...6#post15553716
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Old 04-15-2011, 07:08 PM   #369
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If you gotta have a K&N on your old Boxer, I'll be very glad to sell you mine!
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Old 04-17-2011, 05:20 AM   #370
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Head to Carb Hose/Connector

This may be 205, but I went to NAPA and bought bulk flat hose for my '77 R100RS (40mm Carbs) pretty cheap. This is a good alternative to OEM and very inexpensive.







Cut to size for a perfect fit:

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Old 04-17-2011, 07:45 AM   #371
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Head to Carb Hose/Connector

That is a good tip. Cheaper and more readily available

Jon
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Old 04-17-2011, 09:00 AM   #372
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Not Good.
I just checked at Napaonline, that hose lists at 16.11 per foot.
You have to buy a foot.
the factory inlet rubbers are only $7.28 each for either 32 or 40mm
ALSO and most important, it is NOT fuel hose, it is radiator hose, probably will not last, will turn to mush after awhile and get sucked into the engine as it melts a way. ESPECIALLY with the alcohol impregnated fuel we are forced to buy these days.
Can't recommend this one.

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Old 04-17-2011, 04:38 PM   #373
Beemerboff
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If you want good cheap hose some of the stuff on Jap cars between the filler and the fuel tank fits , and it is designed to last the life if the car.

Remove it yoursef and a lifetime supply will cost a couple of bucks.

Or less.

I was sent a couple of pieces of unmarked hose when I ordered the proper bits for my /7 a good few years back.

Failure showed up PDQ as one carb fell of the stub when I was running, luckily at slow speed.

And luckily in sight of a Jap wrecker.

Didnt seem to harm the valve seats any - they are still the origonals and have gone 150,000 km since- might even have improved them!
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Old 04-23-2011, 01:22 AM   #374
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While trying to see if starter brushes are available at Stockers starters (I had got a rebuild kit for the Ducati) I didn't see any rebuild kits for BMW. But this is what they sell.

http://www.stockers.com/index.php?cd...BMW+Motorcycle
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Old 04-23-2011, 11:18 AM   #375
wirewrkr
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Originally Posted by ride57 View Post
While trying to see if starter brushes are available at Stockers starters (I had got a rebuild kit for the Ducati) I didn't see any rebuild kits for BMW. But this is what they sell.

http://www.stockers.com/index.php?cd...BMW+Motorcycle
Too bad they have no idea what their starter fits. WOW a starter that works for 8 AND 9 tooth applications!
Also these are the cheap CHINESE knockoffs of the piece of shit VAleo.
What a deal, but hey thanks for looking>
I get my brush kits from.....BMW
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