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Old 10-01-2008, 06:38 PM   #136
odbuffalo
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Quote:
Originally Posted by zcfrederick
So are the front forks cut down or lowered on this? Just an optical illusion?
How does that effect steering/handling?

I asked the same question, about the same bike. Heres the responses I got.

http://www.advrider.com/forums/showthread.php?t=372730

Im guessing the guy used spacers.
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Old 10-04-2008, 09:59 AM   #137
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Little something I'm working on. R60 with R75 heads. Big valves, big carbs, Luftie pipe. Alum Ikon shocks and trying out Ikon front springs too.
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Old 10-04-2008, 12:02 PM   #138
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Thanks to succsesful garage sale, my track mule will get much needed attention. I'm not sure yet if I'll keep it as 1000 or reduce it to 750 and run HUGE valve, dual plug heads that were built San Jose BMW.

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Old 10-04-2008, 02:59 PM   #139
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Quote:
Originally Posted by AlKay191
... I'm not sure yet if I'll keep it as 1000 or reduce it to 750 and run HUGE valve, dual plug heads that were built San Jose BMW.
How huge?? I think we might need to chat off-line .

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Old 10-04-2008, 05:15 PM   #140
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Quote:
Originally Posted by kixtand
How huge?? I think we might need to chat off-line .

kix
Yeah, Iwas wondering the same thing. How big is big and with what size mill?

ALso... If youre running big valves and flowed heads, wouldnt it be a good idea to try reducing the size of the carbs a bit for increased intake velocity?

I'm very interested!
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Old 10-04-2008, 07:41 PM   #141
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these are R90 heads with 42/44mm valves and highly modified intake. I honestly don't know what to expect, but will try to run them with 36mm flatslides off my R100 and 34mm roundslides that I got laying around.
I got a Jap shop with a Dyno around the corner....
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Old 10-04-2008, 08:05 PM   #142
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Quote:
Originally Posted by AlKay191
Little something I'm working on. R60 with R75 heads. Big valves, big carbs, Luftie pipe. Alum Ikon shocks and trying out Ikon front springs too.
I have to confess that I love seeing the occasional sacred cow roasting over a spit. I could never bring myself to fly in the face of the Airhead illuminati, but I love it when someone else does. Cool bike.

p.s. did you post that on chopperunderground? I seem to remember seeing pictures of it somewhere else. Maybe Jockeyjournal?
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Old 10-04-2008, 09:13 PM   #143
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Quote:
Originally Posted by drhach
I have to confess that I love seeing the occasional sacred cow roasting over a spit. I could never bring myself to fly in the face of the Airhead illuminati, but I love it when someone else does. Cool bike.

p.s. did you post that on chopperunderground? I seem to remember seeing pictures of it somewhere else. Maybe Jockeyjournal?
both , but I spend most time on JJ.
don't fear the illuminati.... what can they do? take your BMW badges and kick you out of the Anonymous?
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Old 10-05-2008, 06:18 AM   #144
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Quote:
Originally Posted by zcfrederick
So are the front forks cut down or lowered on this? Just an optical illusion?
How does that effect steering/handling?
If you look close, it's not really lowered. They installed what looks like a telefix fork brace, which replaces the stock chrome horseshoe brace. Where it's mounted, they had to slide the rubber gators up, giving it the appearance of load on the forks. Hope that helps.
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Old 10-05-2008, 09:13 AM   #145
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Quote:
Originally Posted by AlKay191
these are R90 heads with 42/44mm valves and highly modified intake. I honestly don't know what to expect, but will try to run them with 36mm flatslides off my R100 and 34mm roundslides that I got laying around.
I got a Jap shop with a Dyno around the corner....
Interesting... On my 750 I'm running heads w/ 44mm intake valves and the stock 38mm exhaust with stiffer springs on both sides, and they have been on the flowbench as well. I am running 38m Dell'Ortos, w/ the pumps disabled (AHRMA rules...) I had the bike on the dyno about a month ago and confirmed that the mixture is correct w/ the jets I spec'd, w/ just a slightly lean spot right off of idle.

The bike pulls strong up to 8K RPM, but I have the rev limiter set at about 7500 just to keep the engine internals internal .

What size second plug are you running w/ those big valves?? (I can't imagine there's much room in there...)

Let us know what you find out w/ the different carbs.

kix
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Old 10-05-2008, 02:39 PM   #146
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<http://img.villagephotos.com/p/2004-...4/BMWright.jpg>
Quote:
Originally Posted by davef
If you look close, it's not really lowered. They installed what looks like a telefix fork brace, which replaces the stock chrome horseshoe brace. Where it's mounted, they had to slide the rubber gators up, giving it the appearance of load on the forks. Hope that helps.
I dissagree....

THere should be about 12" of fork travel on an Airhead front end and those gaiters are clearly compressed further than the 1/2" or so that the Telefix takes up. (Yes, I went out to the garage and looked!)

In fact, the gaiters appear to be incorrectly installed on the telefix as well. The clamping portion of the Telefic should be mounted so that it clamps onto the same machined area where the gaiters once went. Then the gaiters get clamped to the machined lip at the top of the Telefix. How come I'm seeing the fork tube? Oh yeah... It's because the gaiters arent clamped down!

The bikes been lowered, thereby eliminating most of the ground clearance, fork travel and safety margins.

If looks can kill, heres your example.
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Hawk Medicine screwed with this post 10-05-2008 at 06:31 PM
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Old 10-05-2008, 02:53 PM   #147
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"...I'm not sure yet if I'll keep it as 1000 or reduce it to 750......"

Serious question:

Why would you want to reduce to 750 if you already have 1000??
Everyone wants to go bigger...!

Something I am missing?

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Old 10-05-2008, 08:56 PM   #148
Pierce21
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Cafe BMW

CafeBMW are you having your work done by Moto works?
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Old 10-05-2008, 09:20 PM   #149
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Beautiful MCs

Thanks all.
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Old 10-06-2008, 06:33 AM   #150
AlKay191
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Quote:
Originally Posted by kixtand
Interesting... On my 750 I'm running heads w/ 44mm intake valves and the stock 38mm exhaust with stiffer springs on both sides, and they have been on the flowbench as well. I am running 38m Dell'Ortos, w/ the pumps disabled (AHRMA rules...) I had the bike on the dyno about a month ago and confirmed that the mixture is correct w/ the jets I spec'd, w/ just a slightly lean spot right off of idle.

The bike pulls strong up to 8K RPM, but I have the rev limiter set at about 7500 just to keep the engine internals internal .

What size second plug are you running w/ those big valves?? (I can't imagine there's much room in there...)

Let us know what you find out w/ the different carbs.


kix
I just got these heads and thought I'd be the first around here to run 44mm intakes. Looks like you beat me to it.
Curious about your Dyno numbers.... Care to share?

Also, do you like the way it runs with smaller exhaust and 38mm carbs? I got a set of 38mm Mikuni roundslides I can try.
One thing I'd like to experiment with is longer intakes between carbs and heads. With rearsets, I'll have plenty of room.
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