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Search: Posts Made By: boxerotto
Forum: Old's Cool 02-03-2013, 05:50 PM
Replies: 2,488
Views: 578,270
Posted By boxerotto
wanted PVL ignition for BMW airhead

I'm looking for a PVL magneto Ignition for BMW Airhead
Forum: Old's Cool 02-03-2013, 05:47 PM
Replies: 2,488
Views: 578,270
Posted By boxerotto
Wanted Air Cafe Race Stuff

I'm looking for the following Airhead Cafe Racer Parts:
- 336 Camshaft
- light flywheel pre 1981
- 2.5" spoked rear wheel
- 750cc high compression pistons
Forum: Airheads 01-29-2013, 05:30 PM
Replies: 28
Views: 1,672
Posted By boxerotto
anyone ?

anyone ?
Forum: Airheads 01-29-2013, 09:22 AM
Replies: 28
Views: 1,672
Posted By boxerotto
has anyone actually shortened the shaft?

has anyone actually shortened the shaft?
Forum: Airheads 01-28-2013, 06:39 PM
Replies: 28
Views: 1,672
Posted By boxerotto
I wonder if the flywheel and crankshaft are...

I wonder if the flywheel and crankshaft are balanced together or balanced Independently.
My goal is to reduce the flywheel mass as much as possible by using the post 80's clutch and "flywheel".
Forum: Airheads 01-28-2013, 02:10 PM
Replies: 28
Views: 1,672
Posted By boxerotto
Airhead question: 77 tranny with 82 flywheel

Can the input shaft of a 1977 transmission be converted to fit with a lighter later 1982 flywheel/clutch combo?
Forum: Airheads 09-30-2012, 07:23 PM
Replies: 270
Views: 28,726
Posted By boxerotto
nice bikes!!! Do you know who the manufacturer of...

nice bikes!!! Do you know who the manufacturer of the chrome pipes is? Regarding the PVL ignition, do you anyone that makes an adapter to fit the PVL to an airhead?
Forum: Old's Cool 09-13-2011, 06:34 PM
Replies: 11
Views: 1,207
Posted By boxerotto
R75/5 oil feed improvements

Does anyone know the details or has a picture of the oil feed on an R75/5 that could be drilled out to improve lubrication. I read about it as an improvement for R75/5 race bikes but could never find...
Forum: Old's Cool 08-12-2011, 12:51 PM
Replies: 28
Views: 3,124
Posted By boxerotto
After 20 years in a <?xml:namespace prefix = u1...

After 20 years in a <?xml:namespace prefix = u1 /><u1:place u2:st="on"><u1:country-region u2:st="on"><?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags"...
Forum: Old's Cool 08-12-2011, 12:44 PM
Replies: 28
Views: 3,124
Posted By boxerotto
Here my math: <?xml:namespace prefix = o ns =...

Here my math:
<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p>
R75 Stroke is S= 70.6mm
Original Compression ratio is CR= 9:1
<o:p></o:p>
To determine the...
Forum: Old's Cool 08-12-2011, 11:06 AM
Replies: 28
Views: 3,124
Posted By boxerotto
Performance upgrade for R75/5 Motor

1. Compression Ratio:
Does anyone have experience with thinner copper head gasket to increase compression ratio? I found these: ...
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