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Archive through February 17, 2007Naustin30 02-17-07  06:57 pm
         

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Oldog
Posted on Sunday, February 18, 2007 - 10:30 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

My front iso was in the same condition,
I wonder if its as much time related as milage.

looks good for sure!
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Naustin
Posted on Sunday, February 18, 2007 - 10:40 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I was thinking the same thing: Maybe its time more than miles that is hard on these...

I did notice that the new one had different markings on it too. And it was really smooth and clean until I put the torque load on it and then the surface became crackled and what looked to be a protective coating sorta flaked off...

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Oldog
Posted on Sunday, February 18, 2007 - 12:19 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I had a similar experience, the lower half rubber is quite soft as well. Huglysses looked at this issue as he had some problems with his ( he now owns a uly )
I have put about 40 miles on my bike since finishing my repairs the vibes seem to be less.
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Ducxl
Posted on Sunday, February 18, 2007 - 04:26 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Great job Naustin.Good workshop too.I'm very close to being finished as well.Just need to reset my new TPS and i'll be done.

My front iso appeared fine,but i replaced anyway.
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Bluzm2
Posted on Sunday, February 18, 2007 - 07:32 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Nick,
That garage is WAY too clean!!!

Brad
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Naustin
Posted on Monday, February 19, 2007 - 09:25 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Thanks Ducxl.

Don't worry Brad, It doesn't look that clean all the time. lol

nick
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Bomber
Posted on Tuesday, February 20, 2007 - 09:38 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I think our isolators DO deteriorate due to milage (number of vibe cycles) and simple age -- just like a tire will dry rot over time, the rubber in the isos ages and changes, too . . . . . .

my first fron iso was toast after three years/35K miles -- but I live close to a major metro area, and I'm sure the air quality had something to do with it --
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Sleez
Posted on Tuesday, February 20, 2007 - 10:30 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

found this online;

http://www.steelthundercc.com/motormounts.html

VELVA RIDE® FRONT ENGINE MOUNT FOR BIG TWIN - V Thunder

Reduce transmitted engine to frame vibration by 20% just by replacing your OEM front mount with this improved version. The Velva Ride system utilizes a powder coated or natural finish 1/2" thick aluminum engine plate and two separate isolator mounts that are made from a semi-soft Urethane. Installation is as simple as replacing the OE mount and does not require realignment. Instructions are included. Fits all FLT models 1980/Later and all FXR models 1982/Later and Buell models 1991 thru 2002. (Replaces HD 16207-79B & 96210-80). Black or Natural finish. Made in U.S.A.

Part#: DRDS-243609 - Black Velva Ride Engine Mount ... $102.99 including shipping*


a bit cheaper here;

http://www.legendmcs.com/Engine/engine-motor-mount2.html





and still cheaper;

http://www.chopperscycle.com/page/VTS/PROD/41-322/21926


and another with better pics;

http://www.compperformancegroupstores.com/store/merchant.mvc?Screen=CTGY&Store_Code=VT&Category_Code=MNTS







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Naustin
Posted on Tuesday, February 20, 2007 - 11:20 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I thought I heard somewhere that these urathene replacements were not recommended for a Buell and that the stock units were the best you could do...
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Firemanjim
Posted on Tuesday, February 20, 2007 - 11:37 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Don't bother with them,I tried some of their isolators years ago hoping for a bit less vibes. Made it worse at cruising rpms.Might be because they are "tuned" to rpm range of big twins? Expensive experiment.I had better luck with my fabbed up heavy bar ends.
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Sleez
Posted on Tuesday, February 20, 2007 - 11:54 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

thanks jim

but would they last longer??? would their normal state be better than a torn stock one???

(Message edited by sleez on February 20, 2007)
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Naustin
Posted on Tuesday, February 20, 2007 - 12:05 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

According to Al at American Sport Bike:

Do not use polyurethane alternatives, they don’t hold up. The OEM part is the best you can do.

I don't know how he knows that, but I assume he'd just as soon sell you the poly alternative if it was better...

Anyway, I knew I'd read that somewhere.
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Sleez
Posted on Tuesday, February 20, 2007 - 12:08 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

thanks, that should be as good as gold!
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Oldog
Posted on Tuesday, February 20, 2007 - 01:06 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

What FMJ and Nick Said!

it makes some sense the buell part seems to have a metal embed in it ( besides the sleeve )
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Al_lighton
Posted on Wednesday, February 21, 2007 - 09:56 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Tat had told me that they sold several of them prior to me buying the biz. None of them lasted 1000 miles.

I don't have personal experience, I'm just relying on what the previous owner of American Sport Bike told me.

Al
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Djkaplan
Posted on Wednesday, February 21, 2007 - 11:53 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I tried to fab my own front motor mount for my 1955 Ford (the inline 6 uses three mounts) instead of buying an repro$$$ and found out the hard way that durometer ratings are very important when it comes to resonance of engine vibrations. The rubber I used looked right, but it created an incredible amount of vibration and thrumming at certain rpms.

Engineers (some, at least) have apparently been getting the answer right for a long time.
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S2pengy
Posted on Wednesday, February 21, 2007 - 08:26 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Keep in mind the Harley Big Twins that use the same front isolators, the engine sits on the isolator where on a Buell the engine hangs from the isolator so maybe the poly might work better in that situation...
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