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11th July 2012
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Biker
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Join Date: Oct 2011
Posts: 61 Sportster/Buell Model: Sportster Sportster/Buell Year: 1975 Sportster/Buell Model #2: 1975 XL Other Motorcycle Model: 1964 Montessa
Reputation: 83

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Cutting frame to remove 75 sportster oil pump without taking engine out

Here are 3 templates and I would like any suggestions. I plan to cut the right down tube just behind and just in front of the oil pump. I will then put in bolt in plates to be able to remove the 75 sportster oil pump without taking the engine out. The 3 templates show 1-1/2 square , 1-1/2x2-1/2 offset center hole , and the same as the middle with hole centered.

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11th July 2012
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USCG Mechanic Retired
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Join Date: Dec 2011
Posts: 464 Sportster/Buell Model: XLH Sportster/Buell Year: 1972 Sportster/Buell Model #2: XLCH Sportster/Buell Year #2: 1969 Other Motorcycle Model: FXE Superglide Other Motorcycle Year: 1976
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I can see your logic but.....really how often do you have to pull your oil pump?
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The Beast of Burden 69 XLCH
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11th July 2012
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Flat Track Racer
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Join Date: Jul 2011
Posts: 223 Sportster/Buell Model: xlh ironhead Sportster/Buell Year: 1977
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????????
I mean....I agree with above.
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11th July 2012
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XL FORUM TEAM MEMBER
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Join Date: Mar 2009
Location: In the country.....
Posts: 434 Sportster/Buell Model: 883 Sportster Sportster/Buell Year: 03 Sportster/Buell Model #2: XLCH 1000 Sportster/Buell Year #2: 1977 Other Motorcycle Model: Road King Other Motorcycle Year: '02
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I wouldn't be a big fan of doing that, bolts stretch and flanges bend under stress.
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Life should NOT be a journey to the grave with the intention of arriveing safely in an attractive well preserved body, but rather slideing in sideways, "Jack" in one hand and a beer in the other, body thoroughly used up, totally worn out, screamin "Holy shit what a ride!"
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11th July 2012
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Land Speed Record
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Join Date: Mar 2009
Posts: 756
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I agree, that would weaken the frame. It's not that big of a job to pull the engine.
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Heres at it and to it and to it again, if you don't do it when you get to it, heres by God hopen you never get to it to do it again.
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11th July 2012
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Biker
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Join Date: Apr 2011
Posts: 82 Sportster/Buell Model: XLCH Sportster/Buell Year: 1975
Reputation: 10

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You want to what??????????????????
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11th July 2012
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Biker
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Join Date: May 2012
Posts: 94 Sportster/Buell Model: XLH Sportster/Buell Year: 1972
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To each his own if its what you want to do then do it.Maybe try some round flanges instead of square with 6 bolts would help on the frame flex and stress.Its your ride do it your way and ride it proud.
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Heavin doesn't want me and Hell's afraid I'll take over!
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11th July 2012
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Senior Master Custom Bike Builder
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Join Date: May 2007
Location: Puget Sound--Washington State
Posts: 3,838 Sportster/Buell Model: Sportster XLH Sportster/Buell Year: 1961 Sportster/Buell Model #2: Sportster XL Sportster/Buell Year #2: 1957 Other Motorcycle Model: XLH 62, 65, 68, FLH 1970
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There was an entire thread about this a few years back. I'm sorry to be harsh, but I it's completely moronic. I've seen it done two or three times, and it is always a bad idea, and in fact at times down right funny.
Removing a Sportster Engine from a frame takes about an hour (my brother and I did one a few years back in twenty-five minutes. It takes a little longer to put everything back together but not much. Cutting you frame simply to remove your oil pump is the absolute height of folly.
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If I could only live at the pitch that is near madness
When everything is as it was in my childhood
Violent, vivid, and of infinite possiblilty:
That the sun and moon broke over my head.--Richard Eberhart
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11th July 2012
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XL FORUM TEAM MEMBER
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Join Date: Dec 2006
Location: Sunny Italy
Posts: 15,400 Sportster/Buell Model: XLH 1200 Sportster/Buell Year: 1993 Other Motorcycle Model: Moto Guzzi California EV Other Motorcycle Year: 1998
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Quote:
Originally Posted by Moon Wolf
There was an entire thread about this a few years back. I'm sorry to be harsh, but I it's completely moronic. I've seen it done two or three times, and it is always a bad idea, and in fact at times down right funny.
Removing a Sportster Engine from a frame takes about an hour (my brother and I did one a few years back in twenty-five minutes. It takes a little longer to put everything back together but not much. Cutting you frame simply to remove your oil pump is the absolute height of folly.
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I've got to agree. I have seen this done years ago and thought it wasn't real bright back then. My opinion hasn't changed. Cutting a frame should not be taken lightly.
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Jim in Italy
'93 1200
4"Extended Jaybrake Forward Controls
58mm Inverted Wide Glide Front End
Super E Carb w/Forcewinder Air Cleaner
WetDreamz Pipes
Holographic Metal Flake Paint Job
Six Piston Jaybrake Calipers
16" Carlini Apes
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11th July 2012
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outside the box racing
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Join Date: Jan 2011
Location: Phoenix, Az
Posts: 4,339 Sportster/Buell Model: Turbo 1350 XLSR Sportster/Buell Year: 99 Sportster/Buell Model #2: Turbo 1350 XLDS project Sportster/Buell Year #2: 2000 Other Motorcycle Model: 883->1330 dragster Other Motorcycle Year: 1991
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seems like a Real Bad Idea™ to me.
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