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General Category => General Discussion => Topic started by: GuzziFuria on July 03, 2021, 02:57:29 PM

Title: LM3 Gearbox identification ??
Post by: GuzziFuria 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

Title: Re: LM3 Gearbox identification ??
Post by: lucian on July 03, 2021, 04:31:58 PM

you have to have a peek thru the lube fill hole.

Title: Re: LM3 Gearbox identification ??
Post by: moto-uno on July 03, 2021, 06:52:25 PM

  ^ +1 . Plus it's probably a little noisy compared to the helical geared ones.  Peter

Title: Re: LM3 Gearbox identification ??
Post by: Old Jock 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?

Title: Re: LM3 Gearbox identification ??
Post by: 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.

Title: Re: LM3 Gearbox identification ??
Post by: GuzziFuria 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

Title: Re: LM3 Gearbox identification ??
Post by: GuzziFuria 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