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Last Post: Steve9
Posted On: 3 Hours Ago
Replies: 418
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23rd February 2016
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Senior Custom Bike Builder
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Join Date: May 2013
Location: Wisconsin
Posts: 2,576 Sportster/Buell Model: XLH883/1250 Sportster/Buell Year: 1988 Sportster/Buell Year #2: 2001 Other Motorcycle Model: Blast Other Motorcycle Year: 2013
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I am about ready to rebuild my tranny and was wondering if you need the bearing install tool to put the bearing in the right case for the mainshaft?
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It's Hammer time
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8th April 2016
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Biker
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Join Date: Apr 2016
Posts: 1 Sportster/Buell Model: 883 standard Sportster/Buell Year: 1989
Reputation: 10

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Does anybody have any info on the procedure for replacing the shifter shaft on my 89 4 speed trans. The splines on mine are stripped, does the trans need to come out in order to do this?
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8th April 2016
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Master Bike Builder
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Join Date: Mar 2015
Location: Europe Slovenia
Posts: 2,082 Sportster/Buell Model: sportster 1200 Sportster/Buell Year: 1986
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Yes the trans must go out. You should get a repair manual, it's the easiest way to do things..
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25th May 2016
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Biker
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Join Date: Sep 2015
Posts: 17 Sportster/Buell Model: 883 Sportster/Buell Year: 1987
Reputation: 10

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question regarding trans sprocket. Im in the process of converting my 87 sportster to a wide gear ratio as mentioned in post #1. I bought a 23 tooth trans sprocket and was gonna leave the rear 48 tooth. Problem is the chain is too small, and i noted if i were able to install the 23 tooth sprocket i would have clearance issues with the chain. could i run the stock 21 tooth trans sprocket with the 48 rear, just temp will i get a new chain or a different size sprockets?
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25th May 2016
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Senior Chief Master Mechanic
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Join Date: May 2005
Posts: 938 Sportster/Buell Model: Sportster Delux 883/1200 Sportster/Buell Year: 1988
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To use a 23 front sprocket you'll need to deemed some material away, but a 22 will fit OK. I found a 22/48 ratio to work best for me, but I don't do a lot of freeway miles. The 22/47 combo was a bit too high for me.
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25th May 2016
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Senior Chief Master Mechanic
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Join Date: May 2005
Posts: 938 Sportster/Buell Model: Sportster Delux 883/1200 Sportster/Buell Year: 1988
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Quote:
Originally Posted by juzyHD
Yes the trans must go out. You should get a repair manual, it's the easiest way to do things..
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Best tip is to hang some vice grips off the shaft when reinstalling to keep it oriented.
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17th August 2016
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Senior Custom Bike Builder
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Join Date: May 2013
Location: Wisconsin
Posts: 2,576 Sportster/Buell Model: XLH883/1250 Sportster/Buell Year: 1988 Sportster/Buell Year #2: 2001 Other Motorcycle Model: Blast Other Motorcycle Year: 2013
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I see your zippers double row bearing is made in China as well.
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15th April 2017
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Biker
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Join Date: Mar 2017
Posts: 6 Sportster/Buell Model: Sportster Chopper Sportster/Buell Year: 1990
Reputation: 10

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Awesome info on the original post. I came across this a year ago as I was rebuilding the motor while chopping my 90 sportster. Got it all together now as I also used all the info posted on here. There is now a significant difference in top end speeds.
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25th February 2018
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Biker
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Join Date: Sep 2015
Posts: 17 Sportster/Buell Model: 883 Sportster/Buell Year: 1987
Reputation: 10

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question regarding the mainshaft 2nd gear and countershaft 3rd gear. are there any differences between them. i know both are 23 tooth but one seems thicker and the spacing between the dogs are clearly different. which one is which?
1987 sportster
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