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Author Topic: LM3 Gearbox identification ??  (Read 1756 times)

Offline GuzziFuria

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LM3 Gearbox identification ??
« on: July 03, 2021, 02:57:29 PM »
Ciao Tutti,

On a LM3, is there a way to ID if the gearbox is the standard T helical gears or the ZD straight gear gearbox ??

Molto Grazie
Ciao
Carlito
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Offline lucian

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Re: LM3 Gearbox identification ??
« Reply #1 on: July 03, 2021, 04:31:58 PM »
you have to have a peek thru the lube fill hole.
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Offline moto-uno

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Re: LM3 Gearbox identification ??
« Reply #2 on: July 03, 2021, 06:52:25 PM »
  ^ +1 . Plus it's probably a little noisy compared to the helical geared ones.  Peter
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Offline Old Jock

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Re: LM3 Gearbox identification ??
« Reply #3 on: July 04, 2021, 06:05:40 AM »
Certainly worth trying to look through the lube fill hole, put the bike into first or second and take a peek.

I doubt you'll see anything as the dog sits in the line of sight certainly when in neutral so it'll be difficult to see the gears.

+1 on the noise, my Sporti has straight cut gears and at times they can be noisier than the engine (and yes that's with one with nothing wrong with it)

Guzziology perhaps?
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Offline Turin

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Re: LM3 Gearbox identification ??
« Reply #4 on: July 04, 2021, 07:05:27 PM »
Top left side of the tranny above the neutral indicator switch is a stamping. ZD = factory straight cut gearbox.
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Offline GuzziFuria

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Re: LM3 Gearbox identification ??
« Reply #5 on: July 05, 2021, 04:46:28 PM »
Quote from: Turin on July 04, 2021, 07:05:27 PM
Top left side of the tranny above the neutral indicator switch is a stamping. ZD = factory straight cut gearbox.

Thanks Trurin, that is exactly what I was looking for...  Great piece of info

Best
Carlito
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Offline GuzziFuria

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Re: LM3 Gearbox identification ??
« Reply #6 on: July 05, 2021, 04:47:44 PM »
Thanks All,

Looking down the oil filling plug was on my list, but great thanks for confirming...

Best
Carlito
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