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Thread: 2001 GW Lehman Driveshaft removel.

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    Default 2001 GW Lehman Driveshaft removel.

    Could anyone tell me where to find the info on removing the driveshaft. The forward U-Joint is done. And have no idea as to how to access the front. My search for info has been in vain. A dealer ship or shop is out of the question.

    Yeah I should have gotten a shop manual before now. Figured I changed them on a older Bronco. So whats the big deal.

    My Thanks to all of you.

    Throwing out a guess here, the front of the drive shaft ( as it attaches to the xmsn output shaft) regardless of trike conversion mfr. on a GW would still have the same set up ....OEM?
    Last edited by Tang62; 09-02-2018 at 06:15 PM. Reason: Slow on the uptake some days.

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    10000+ Posts Jack Klarich's Avatar
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    Default Thank You, Jack.

    Quote Originally Posted by Jack Klarich View Post
    Thank you Jack. Until I get my hands on a service manual I'm still at a loss as to backing off the front bolts.

    Also any recommendations on THE best replacement U-Joints. No need to go through this anytime in the near future.

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    10000+ Posts Jack Klarich's Avatar
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    Quote Originally Posted by Tang62 View Post
    Thank you Jack. Until I get my hands on a service manual I'm still at a loss as to backing off the front bolts.

    Also any recommendations on THE best replacement U-Joints. No need to go through this anytime in the near future.
    I like Spicer joints, yo can get them with a grease fitting in the bearing cap easier to lube

    Nuff Said," Were Burnin Daylight, Lets Ride"(Sober 33years)
    Current ride : 17 FREEWHEELER M8, Power Vision tuner, DK Customs Outlaw air cleaner, modified by me head breather vent with drain, Gutted stock mufflers, (RJS Originals) rear wheel discs , (RJS Originals) custom windshield lower panel, Mighty Mites Love Jugs fans by Papa Zook

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    Default Thank you ....Spicer U-Joints.

    Quote Originally Posted by Jack Klarich View Post
    I like Spicer joints, yo can get them with a grease fitting in the bearing cap easier to lube

    Thank you again. I can see how this could come in handy.

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    1500+ Posts trikeman's Avatar
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    If itís the front u joint going into out put shaft at motor Iím thinking the standard 1800 goldwing u joint is used on Lehman conversion. I do know that 1500 goldwing with Lehman conversion used goldwing u joint at motor and ford u joint at rear of drive shaft

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    Default I'm always greatful for information.

    Quote Originally Posted by trikeman View Post
    If itís the front u joint going into out put shaft at motor Iím thinking the standard 1800 goldwing u joint is used on Lehman conversion. I do know that 1500 goldwing with Lehman conversion used goldwing u joint at motor and ford u joint at rear of drive shaft
    So I'm going to make an out of myself. Do you know if in fact the front is held to the splined shaft by four bolts. As I've seen a video showing as much. But that was on a 1500. Not a 1800. And the 1500 seemed to have room from the outside to run a 1/4 extension and socket in there. Don't see that happening or I need new glasses.


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    Default Monarch I & Monarch II driveshaft removal

    Scott,

    Over the years, past owners have substituted parts on their trikes that were not authorized or approved by the original manufacturer. In many cases out of necessity, but in most cases they were being thrifty.

    If you have a 'stock and unmolested' Lehman Trike conversion on your GL1800 Goldwing that was built before August 2004, you have a Monarch I with drum brakes.

    If you have a 'stock and unmolested' Lehman Trike conversion on your GL1800 Goldwing that was built AFTER August 2004, you more than likely have a Monarch II with DISC brakes.

    The Monarch I had 2 different style driveshafts and the later model Monarch I had a specific Lehman driveshaft that is not produced anymore. The earlier style driveshaft can and is being used as a replacement for the later with slight modification to the swingarm tube.

    Why did Lehman do this ??????? I don't know !!!!!

    The front yoke of the Monarch I is essentially a Valkyrie front yoke.

    https://mjtrikes.com/shop/index.php?...bc99dab412795f

    The front yoke is a slip design and uses no fasteners or clamps to hold it on the output shaft of the transmission and sometimes the front yoke will become stuck on the output shaft of the transmission, accessing it from the engine RT side panel behind the mastercylinder, with a long punch you should be able to dislodge it. Reaching into the driveshaft tube of the swingarm, you should be able to remove it.

    Once removed, the driveshaft must be pre-assembled (properly phased) before installation, period.



    The front yoke of a Monarch II (until 2012) is the OEM GL1800 driveshaft. If you are unable to remove the front shaft from a Monarch II, the same method should apply.
    Jim Murphy
    Lehman Tech since 1998
    Champion Tech since 2005
    Lehman & Champion Dealer Owner Operator
    Iron Butt Rider 2001

    WHEN HELP IS OFFERED, A SIMPLE "THANK YOU" IS APPRECIATED.

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    950+ Posts CrystalPistol's Avatar
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    LHM .... They sure is pretty!

    Is the one no longer made the one with the splined shaft that fits into splined hole of rear yoke? Just curious. I carry the welded (cut off oem drive shaft, fitted / welded into rear yoke) set up as a spare now.

    https://www.triketalk.com/forum/thre...e-else-somehow

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    Default

    Quote Originally Posted by CrystalPistol View Post
    LHM .... They sure is pretty!

    Is the one no longer made the one with the splined shaft that fits into splined hole of rear yoke? Just curious. I carry the welded (cut off oem drive shaft, fitted / welded into rear yoke) set up as a spare now.

    https://www.triketalk.com/forum/thre...e-else-somehow
    Actually, The only one still made is the one that is zip-tied. The splined (both ends) shafts disappeared in 2012 and the special made front yoke (made from a GL1800 driveshaft) was never sent to dealers as a replacement. We always used a Valkyrie yoke and still do as a replacement.
    Jim Murphy
    Lehman Tech since 1998
    Champion Tech since 2005
    Lehman & Champion Dealer Owner Operator
    Iron Butt Rider 2001

    WHEN HELP IS OFFERED, A SIMPLE "THANK YOU" IS APPRECIATED.

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