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  1. Replies
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    56

    The slight vertical lines will show up where the...

    The slight vertical lines will show up where the ring gaps are in fresh cylinders, after you turn the motor through a few times. No big deal.

    My take, based only on your description (of course):
    ...
  2. Replies
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    41

    I'm not a fan of belt drives, but the simple,...

    I'm not a fan of belt drives, but the simple, open belt drives that use the original old style clutch are cost-effective (if you have an old style clutch). Next up would be a BDL, with one of their...
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    172

    10:1 would be good. Stock is 9:1, with the .015...

    10:1 would be good. Stock is 9:1, with the .015 head gasket.

    Jim
  4. Replies
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    172

    Check Cooldean's thread for a discussion of...

    Check Cooldean's thread for a discussion of gouged up XL cylinders. Your cylinders can be safely bored to +.070.

    The stock P cams, which your motor should have, are actually pretty good. The...
  5. Replies
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    390

    One easy way to diagnose a failed/ failing...

    One easy way to diagnose a failed/ failing bearing in an H-D motor is to examine the piston skirts. Particles embedded in the skirt are evidence of a bearing coming loose somewhere.

    From your...
  6. Replies
    2
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    41

    3rd question first: Any alternator shovel motor,...

    3rd question first: Any alternator shovel motor, '70 - '84, is a bolt-in swap. The generator shovel motors could also be used, with the open belt drive, with an offset motor pulley being the only...
  7. Replies
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    32

    If you mean that the clutch is engaging, the...

    If you mean that the clutch is engaging, the steels may be rusty. You may also have a problem with the release bearing, and if you have a foot clutch, the early style bearing is preferred, almost...
  8. Replies
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    390

    Part of this explanation is spot-on and part of...

    Part of this explanation is spot-on and part of it is full of shit.

    Yes, if the rod rollers on one side of the rear rod go bad, that will cause a side thrust at the top of the rod, and that will...
  9. Thread: Magneto help

    by JBinNC
    Replies
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    131

    You need to change the gear in the motor. S&S...

    You need to change the gear in the motor. S&S uses a set of gears to drive their timers backwards so that electronic ignitions designed for cone motors will function correctly in their timer...
  10. Replies
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    390

    If the wristpin clip has come out, you cannot...

    If the wristpin clip has come out, you cannot continue to run it. The wristpin will continue to gouge the cylinder wall, which is already damaged as your pic shows. You will also have pieces of the...
  11. Replies
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    390

    It appears from your pic that your motor has been...

    It appears from your pic that your motor has been fitted with the later 1000cc cylinders (and of necessity, the heads to match). This is a common upgrade for the '72s and '73s, for the reason D....
  12. Replies
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    390

    That gouge is caused by a loose wristpin...

    That gouge is caused by a loose wristpin retainer, and the subsequent loose wristpin.

    It is possible that this damage was done previously, and a new piston fitted. You need to remove the cylinder...
  13. Replies
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    70

    23/48 is definitely doable. My FXWG, with box...

    23/48 is definitely doable. My FXWG, with box stock evo is running that ratio, with the FXE gearset.

    If you make the front sprocket large, the chain will eat into the inner primary and starter...
  14. Cowpie transmissions came in 3 versions as near...

    Cowpie transmissions came in 3 versions as near as I can tell, FL, early FX, and late FX (with revised first & second gear ratios). As far as I know, you can fit any gearset into any box, as long as...
  15. Replies
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    172

    Another possibility is the All Balls replacement...

    Another possibility is the All Balls replacement starter motor, using the same Denso motor, but mounts to the factory starter and solenoid mount. That Tech Cycle starter is a good 'un, but $$$.

    Jim
  16. The outside (press side, letter side) of the...

    The outside (press side, letter side) of the bearing needs to be below flush with the case bushing it presses into. The tools set it .02 - .03 below flush. It is not a critical dimension.

    I'm all...
  17. Replies
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    Yes, there is an issue: flow. Stick to the 3/8...

    Yes, there is an issue: flow. Stick to the 3/8 size. And I hope your lines are cad plated steel, and not aluminum. Aluminum lines may not survive the vibration.

    Jim
  18. Your approach is certainly a valid solution to...

    Your approach is certainly a valid solution to the problem. But cheaper and easier, probably not (if done well). Easiest would be to find a frame that fits the drivetrain rather than cut up a...
  19. The OP asked about a transmission to fit the...

    The OP asked about a transmission to fit the frame, not how to make his frame fit his drivetrain. No surprise that his question got answered (OK, a little surprised, thread drift could have killed...
  20. Tech Cycle has been my go-to, when you want it to...

    Tech Cycle has been my go-to, when you want it to START.

    Jim
  21. Well, I'm sure not gonna kick it! I think the...

    Well, I'm sure not gonna kick it!

    I think the 107 was one of the emissions compliant motors (TUV and all that) and so, modest compression and a SHITTY cam. I don't know if they had the compression...
  22. You can transplant it into pretty much any 5...

    You can transplant it into pretty much any 5 speed case, but it is not a bolt-in. You have to do some clearancing and some work to accommodate the six speed shift shaft. You need a copy of the...
  23. I think your alternator is at least 18A output....

    I think your alternator is at least 18A output. That's a lotta watts, so more than one headlamp should not be a problem.

    Jim
  24. Replies
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    There are XL-specific primary/transmission oils,...

    There are XL-specific primary/transmission oils, and you should use one of those.

    Fill to the bottom of the clutch shell, and yes, one quart is enough.

    Jim
  25. Replies
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    I like chains because I am both old fashioned and...

    I like chains because I am both old fashioned and have racing experience.

    But nothing wrong with the modern drive belt, and simply replacing the transmission pulley would be both easy and cheap....
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