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Thread: WLDR ball-bearing "cheater" motor information needed!

  1. #11

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    Hi Herb,
    I have my Father's 1940 WLDR. We opened it up today and what a thrill to find it is all ball bearings in there and a forged flywheel with magnesium pistons! I believe this motor was not apart since the 50's.
    How is your "cheater project" coming along?
    I am anxiously awaiting your results.
    Thanks,
    Dan

  2. #12
    Join Date
    Jul 2002
    Location
    North Hills, CA and Pine Grove, CA
    Posts
    5,467

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    Quote Originally Posted by LouieMCman View Post
    Found this pic on the web.....

    "Sam Arena gets the buck during his final run at the Modesto Hillclimb Chapionships in 1948. Sam was riding a Tom Sifton prepared 80" rocketship. Epic photo courtesy of Bob Pilgrim. "
    Louie,
    Unless Sifton moved the carb to the right side and added push rods that bike is a Knuck.
    Be sure to visit;
    http://www.vintageamericanmotorcycles.com/main.php
    Be sure to register at the site so you can see large images.
    Also be sure to visit http://www.caimag.com/forum/

  3. #13
    Join Date
    Oct 2016
    Posts
    131

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    I had to look again, and you are right, at least to my old eyes!

  4. #14
    Join Date
    Jun 2017
    Location
    Charles Town, West Virginia
    Posts
    38

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    Hi Dan,
    Do you want to buy a boat? I saw your post and couldn't resist.

  5. #15

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    Hi Tom,
    We have a signed contract to sell the boat. Fingers crossed. Your loss.
    How does your bike run with the transmission repaired?

  6. #16
    Join Date
    Jun 2017
    Location
    Charles Town, West Virginia
    Posts
    38

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    Good thing. As you know I don't want no boat anyway,I've got bikes to drain my bank account. Good luck on your sale.
    The bike runs great and no more trans issues. I'm planning on riding the hell out of it as soon as my wife's hip is better.
    Call me if you get down this way I'll buy y'all dinner and a beer.

  7. #17
    Join Date
    Jan 2008
    Location
    S.E.N.Y. State American side of Hudson River
    Posts
    487

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    Bust Out Another Thousand
    D. A. Bagin #3166 AKA Panheadzz 440 48chief W/sidecar 57fl 57flh 58fl 66m-50 68flh 70xlh

  8. #18
    Join Date
    Jun 2017
    Location
    Charles Town, West Virginia
    Posts
    38

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    Boat= A hole in the water that you throw your money in.

  9. #19
    Join Date
    Jul 2004
    Posts
    12

    Default ball bearing number

    Quote Originally Posted by servi47car View Post
    Hi Herb,
    I have my Father's 1940 WLDR. We opened it up today and what a thrill to find it is all ball bearings in there and a forged flywheel with magnesium pistons! I believe this motor was not apart since the 50's.
    How is your "cheater project" coming along?
    I am anxiously awaiting your results.
    Thanks,
    Dan
    You didn't happen to notice the number on the ball bearing on the right case did ya?

  10. #20

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    The big stepped crankpin (1" tapers, 1-1/4" journal) and big rod set dates to the 1939 WLDR, but AFAIK standard shafts.
    The problem with ball bearing camshafts is that the BB OD is much larger than the std. plain bearing, for which the WR ball-bearing case used a 3/4" (smaller) pinion race than the stock 7/8" WL. I don't know of any way to install BB in a case that already has roller pinion.

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