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17th May 2019
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XL FORUM TEAM MEMBER
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Join Date: Jan 2011
Posts: 1,097 Sportster/Buell Model: XLX Sportster/Buell Year: 83 Sportster/Buell Year #2: xlh
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New WTF Happened
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17th May 2019
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Custom Bike Builder
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Join Date: Dec 2014
Location: Phoenix
Posts: 2,440 Sportster/Buell Model: xlch Sportster/Buell Year: 1964 Sportster/Buell Model #2: XLCH IR EFI Sportster/Buell Year #2: 1971 Other Motorcycle Model: BMW K1200RS Other Motorcycle Year: 2001
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Bore the hole true and turn a new oversized guide.
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17th May 2019
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Senior Master Custom Bike Builder
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Join Date: May 2010
Location: Pottstown PA.
Posts: 14,407 Sportster/Buell Model: xlch Sportster/Buell Year: 1960
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in hindsight a ball hone likely would have worked quite well for that.i've already used one to open up a cast iron lifter block for a .005 oversize lifter.
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72 1000cc barrels and heads, s&s 41/2'' flywheels, sifton cams, s&s super B w/ zippers thunderjet w/yost powertube, andrews gears,and shafts, competition engineering kevlar wet or dry clutch, 72 oil pump, morris magneto w/auto advance and single fire module, cycle electric generator w/electronic regulator,73 cu.in.
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18th May 2019
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XL FORUM TEAM MEMBER
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Join Date: Jan 2011
Posts: 1,097 Sportster/Buell Model: XLX Sportster/Buell Year: 83 Sportster/Buell Year #2: xlh
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how big of a guide can I get?
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18th May 2019
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XL FORUM LIFE MEMBER
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Join Date: May 2014
Posts: 1,357 Sportster/Buell Model: xlh Sportster/Buell Year: 1974
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Quote:
Originally Posted by SHAKY DAVE
how big of a guide can I get?
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Kibblewhite's catalog lists ironhead guides at .010 oversize. So there's 2 options.
Find a way to open the head to fit the +.010 oversize guide, or
As Ryder Rick and Iron Mike suggest,
Reduce the diameter of the oversize guide to fit the current hole in the head, provided you've got a true round hole. |
18th May 2019
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Senior Master Custom Bike Builder
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Join Date: May 2010
Location: Pottstown PA.
Posts: 14,407 Sportster/Buell Model: xlch Sportster/Buell Year: 1960
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it sounds like Mike is talking about having a custom one made to fit the o.s. hole.
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18th May 2019
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XL FORUM TEAM MEMBER
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Join Date: Jan 2011
Posts: 1,097 Sportster/Buell Model: XLX Sportster/Buell Year: 83 Sportster/Buell Year #2: xlh
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no dough for that.ahh well,need a head I guess
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18th May 2019
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Senior Master Custom Bike Builder
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Join Date: Jun 2008
Location: Cornelius, OR
Posts: 9,550
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It only takes 10 min in a lathe to cut down a larger guide.
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Ryder Rick "I know right from wrong, but sometimes, wrong feels right"
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18th May 2019
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Senior Master Custom Bike Builder
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Join Date: Jun 2008
Location: Cornelius, OR
Posts: 9,550
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Ideally, Bore the guide hole concentric to the seat to eliminate the Dremel badness. A reamer may follow any offset from the Dremel handiwork.
Or at least ream it in a mill to get as close to concentric to the seat as possible, or the seat may need to be moved significantly to match the guide position. If one end of the guide hole is worse than the other you should ream from that side to avoid moving the guide hole any more than possible.
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19th May 2019
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XL FORUM TEAM MEMBER
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Join Date: Jan 2011
Posts: 1,097 Sportster/Buell Model: XLX Sportster/Buell Year: 83 Sportster/Buell Year #2: xlh
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thanks guys.no lathe or any other machine tools.i'll get a kibblewhite .010 over and see if I can make it work.maybe just maybe I can do this  |
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