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1st February 2022
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Biker
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Join Date: Oct 2021
Posts: 59 Sportster/Buell Model: Sportster 1000xlh Sportster/Buell Year: 1979 Other Motorcycle Model: 1975 cb750
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1979 1000 xlh cam cover specs/info... PLEASE!!!
Hey, in kind of an interesting position only the ill-prepared would find one's self. Took off the cam cover to find out what I'm working with. Good news as far as that is concerned however. About every bolt fell to the floor and am having a time finding what lengths go where. Also I do have a manual but couldn't find the tightening sequence. And the tourque I found, (in the 125 range) seems AWFULLY high? So, those 3 questions answered would really, REALLY help my month back on track. I truly appreciate any time given in answering these problems. Thank you, immensely, hardtail
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1st February 2022
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Master Custom Bike Builder
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Join Date: Dec 2014
Location: Phoenix
Posts: 3,040 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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Inch lbs…. .
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1st February 2022
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Chief Master Mechanic
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Join Date: Nov 2010
Location: Skippack, PA
Posts: 497 Sportster/Buell Model: 1200C Sportster/Buell Year: '06 Sportster/Buell Model #2: XLCH Drag Bike Sportster/Buell Year #2: '63 Other Motorcycle Model: XLH Other Motorcycle Year: ‘79
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I have the '79-'85 HD service manual in front of me. It says "tighten all screws evenly to 80-110 in-lbs torque." No mention of sequence.
There's a specific sequence for tightening down Evo Sportster cam covers, not sure why the manual doesn't show one here.
Hope that helps some.
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1st February 2022
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XL FORUM TEAM MEMBER
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Join Date: Jun 2009
Location: Sunshine Coast
Posts: 8,682 Sportster/Buell Model: XLB, XLCH, Sporton Sportster/Buell Year: 1962 Sportster/Buell Model #2: XLCH Sportster/Buell Year #2: 1966 Other Motorcycle Model: XLCH (Another one) Other Motorcycle Year: 1966
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Hold the cam cover in your left hand and one by one drop screws into the holes.
The screws will all protrude through the cam cover by an equal (nearly) amount.
Just juggle the screws until you get them into the correct position.
As long as you just tighten them by hand you'll be ok. Don't snug them all the way down in one go.
__________________
"I know only too well the evil that I propose. But my inclinations get the better of me."
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1st February 2022
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XL FORUM LIFE MEMBER
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Join Date: Jul 2014
Posts: 9,028 Sportster/Buell Model: Xl1250S Sportster/Buell Year: 98 Other Motorcycle Model: Kawasaki Vulcan 500 Other Motorcycle Year: 95
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Evo torque sequence
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2nd February 2022
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Biker
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Join Date: Oct 2021
Posts: 59 Sportster/Buell Model: Sportster 1000xlh Sportster/Buell Year: 1979 Other Motorcycle Model: 1975 cb750
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Thank you all! I. Reference to ferrous head's post, by seeing the difference in length gths out of the back (engine side) of the cam cover.. . That will tell me which screw needs to be where?
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2nd February 2022
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XL FORUM TEAM MEMBER
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Join Date: Jun 2009
Location: Sunshine Coast
Posts: 8,682 Sportster/Buell Model: XLB, XLCH, Sporton Sportster/Buell Year: 1962 Sportster/Buell Model #2: XLCH Sportster/Buell Year #2: 1966 Other Motorcycle Model: XLCH (Another one) Other Motorcycle Year: 1966
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Hippy's picture will dhow you where they go but you can just check them as I described.
These cam covers are pretty stiff and I doubt you'll warp them by not using the correct sequence for tightening but it doesn't hurt to use best practice when you can.
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2nd February 2022
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Biker
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Join Date: Oct 2021
Posts: 59 Sportster/Buell Model: Sportster 1000xlh Sportster/Buell Year: 1979 Other Motorcycle Model: 1975 cb750
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Right on. Thanks again. I really appreciate everyone's help. I feel much more at ease. Whether or not I should or should not shim?, not as much. (Different schools of thought)
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2nd February 2022
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XL FORUM TEAM MEMBER
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Join Date: Jun 2009
Location: Sunshine Coast
Posts: 8,682 Sportster/Buell Model: XLB, XLCH, Sporton Sportster/Buell Year: 1962 Sportster/Buell Model #2: XLCH Sportster/Buell Year #2: 1966 Other Motorcycle Model: XLCH (Another one) Other Motorcycle Year: 1966
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Nope. Don't shim them.
There's a Service Bulletin about no longer using the shims.
They are too thin and can break up in use. From memory only 7 thou.
Only there to help stop a bit of the clatter you get from the cams sliding back and forth.
Us deaf old guys could never hear them in the first place.
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