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3 Weeks Ago
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XL FORUM TEAM MEMBER
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Join Date: Jun 2010
Posts: 11,925 Sportster/Buell Model: 1200R Sportster/Buell Year: 2005 Other Motorcycle Model: 5 bikes and 1 quad
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Quote:
Originally Posted by Iron Mike
I just looked at 9 different hubs and they all have it. Never noticed that before. I did notice that the grease zirk is located in the same spot on each in relation to the “tombstone”. Just to the right when viewing hub from the left.
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I see it in the picture that Captain Johnny posted too. That must be it, the hole is for getting a grease gun to fit in there easier. I think you nailed it. |
3 Weeks Ago
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Senior Master Custom Bike Builder
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Join Date: May 2010
Location: Pottstown PA.
Posts: 14,392 Sportster/Buell Model: xlch Sportster/Buell Year: 1960
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only if it was a 90 degree zerk.the one's i've seen have been straight.i think you were on the right track offsetting the weight only it would be the weight of the grease fitting rather than the valve stem.
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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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3 Weeks Ago
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Custom Bike Builder
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Join Date: Dec 2014
Location: Phoenix
Posts: 2,426 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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I was thinking it was used to hold the hub for the drilling/tapping of the zirk hole, and maybe some of the other procedures in the manufacturing.
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3 Weeks Ago
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XL FORUM TEAM MEMBER
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Join Date: Dec 2014
Location: Crossville, Tn.
Posts: 197 Sportster/Buell Model: XLCH Sportster/Buell Year: 1969 Other Motorcycle Model: Triumph Sprint 900 Other Motorcycle Year: 1998
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I can think of only one guy that might know.
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3 Weeks Ago
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Custom Bike Builder
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Join Date: Dec 2014
Location: Phoenix
Posts: 2,426 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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I wish he would come around more often. Him and the proper information that he strictly deals in are some of the few reasons I started coming here.
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