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17th August 2012
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Biker
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Join Date: Aug 2012
Posts: 1 Sportster/Buell Model: Ironhead Sportster/Buell Year: 81
Reputation: 10
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Help (timing the pinion gear to the crankshaft)
How do you time the pinion gear to the crankshaft? Shaft is splined from crankshaft. The pinion gear has a timing mark but is not pre-set to fit in any one place on the crankshaft. Does the crankshaft need to be at tdc or does the front or back pistion need to be at tdc.
Last edited by Folkie; 17th August 2012 at 18:21..
Reason: Vague title
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17th August 2012
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A Million Facts & Figures
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Join Date: Jan 2005
Location: Sandpoint
Posts: 5,883 Sportster/Buell Model: XL883 Sportster/Buell Year: 2007 Sportster/Buell Model #2: Buell Cyclone Sportster/Buell Year #2: 1999
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The pinion shaft has a mark as well, line it up to the one on the gear. The mark is at the very end of one of the splines on the shaft.
If you have a Buell with a splined pinion shaft, it must be aftermarket?
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17th August 2012
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Brass Nut
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Join Date: Feb 2005
Location: Western Weald
Posts: 30,463 Sportster/Buell Model: XL1200V Sportster/Buell Year: 2013 Sportster/Buell Model #2: XL883C … long gone Sportster/Buell Year #2: 2005 Other Motorcycle Model: FXDB … gone! Other Motorcycle Year: 2012
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Welcome to the Forum!
In future, please give your threads meaningful titles.
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Folkie
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'The green machine'
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17th August 2012
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XL Forum Gold Supporting Vendor
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Join Date: May 2005
Location: Longmont, Colorado
Posts: 10,234 Sportster/Buell Model: 07 883 X2 plus 5 Buells Sportster/Buell Year: 2007 Sportster/Buell Model #2: 92 Sportster/Buell Year #2: 96 Other Motorcycle Model: and 2 more!!
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Quote:
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If you have a Buell with a splined pinion shaft, it must be aftermarket
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That or it is a very rare 4 speed RS 1200 or RR 1200? I own one of those but I do not know many folks who do.
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Dan
NRHS
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www.nrhsperformance.com
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17th August 2012
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A Million Facts & Figures
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Join Date: Jan 2005
Location: Sandpoint
Posts: 5,883 Sportster/Buell Model: XL883 Sportster/Buell Year: 2007 Sportster/Buell Model #2: Buell Cyclone Sportster/Buell Year #2: 1999
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Quote:
Originally Posted by NRHS Sales
That or it is a very rare 4 speed RS 1200 or RR 1200?
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No, the splined pinion shafts ended with the '87 model year. The only Buells ever made with the splined pinion shaft were RR1000's, with their XR1000 engines. |
18th August 2012
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Jester Mafia
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Join Date: Jan 2008
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Posts: 8,588 Sportster/Buell Model: XL1200C Sportster/Buell Year: 2006 Sportster/Buell Model #2: XL1200C Sportster/Buell Year #2: 2006 Other Motorcycle Model: 48 Other Motorcycle Year: 2012
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Welcome Aboard
I have a sick mind but you might want to change your user name.
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18th August 2012
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Rider Of The Iron Steed
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Join Date: Dec 2003
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Posts: 23,738 Sportster/Buell Model: XLH Sportster/Buell Year: 1978
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Your pinion shaft should have this; line it up with the pinion gear timing mark ...
Welcome! to XLForum. Post these questions in the IronHead forum, here ...
Ironhead Sportster Motorcycle Talk (1957-1985)
http://xlforum.net/vbportal/forums/forumdisplay.php?f=7 |
18th August 2012
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A Million Facts & Figures
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Join Date: Jan 2005
Location: Sandpoint
Posts: 5,883 Sportster/Buell Model: XL883 Sportster/Buell Year: 2007 Sportster/Buell Model #2: Buell Cyclone Sportster/Buell Year #2: 1999
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Good pic Iron Mick, that puts it to rest!
I once had a customer call me, telling me the valves were hitting the pistons and he had carved the bejeezus out of the valve pockets trying to get clearance and they still hit. This on a motor that had an S&S crank, which of course uses a splined pinion. He was convinced the cams were made wrong.
Took me awhile to realize he hadn't paid attention to that mark when you put his pinion gear on.
This was a noted engine tuner for a drag race buddy of mine ... but his experience was limited to 5-speed Evo's and I don't think he had ever encountered a splined pinion shaft before.
Anyway, he ruined the pistons  |
18th August 2012
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A Million Facts & Figures
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Join Date: Jan 2005
Location: Sandpoint
Posts: 5,883 Sportster/Buell Model: XL883 Sportster/Buell Year: 2007 Sportster/Buell Model #2: Buell Cyclone Sportster/Buell Year #2: 1999
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Also, do you think you ground on that pinion bearing race enough? 
I remember having to do that to make cams fit. Scared the hades out of me. |
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