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New Stelvio owner crunching gearchanges

Motor needs to come out for the clutch, but are you sure it is the clutch and not the fluid (air or empty). There is not much fluid for the hydraulic clutch. Even a very small leak would eventually render the clutch useless. What does the clutch lever feel like??
 
Having owned a MKII Le Mans in the early 80's, then an 1100 Sport a few years back, I thought my Stelvios gearbox was broken when I first rode it . .. went into 1st from Neutral without me hearing or feeling it! :eek:

Still get the 'smacking-a-bag-of-spanners-with-a-bigger-spanner' effect when it's warm though . . .
 
Stumbled across this topic - gearbox certainly is vocal, but changes are pretty smooth.
As someone who's been riding for just over a year, unlearning all that I've learned about clutches from cars to bikes, what is the reason for not pulling the clutch in all the way when shifting? And also, what is the kindest on the machine?
 
Chadlebowski said:
Stumbled across this topic - gearbox certainly is vocal, but changes are pretty smooth.
As someone who's been riding for just over a year, unlearning all that I've learned about clutches from cars to bikes, what is the reason for not pulling the clutch in all the way when shifting? And also, what is the kindest on the machine?
Click to expand...


A motorcycle gearbox is constant mesh with no synchronize system. You just need to unload the gear train to make a smooth shift. If you pull the clutch in all the way, all that time of no load the engagement dogs won't align as easily for the next shift. Automobile gearbox is not constant mesh and has synchronizers so the full clutch release works. However, you can shift a good auto gearbox pretty quickly without full release of the clutch. Drove my old SAAB 900 that way for over 200K miles still with the original clutch. Also the smoother you can make the shift, the better. Less strain on the gearbox, and less impact on the suspension for better handling.
 
Plenty of car Gearboxes can be shifted without any clutch involvement.
Down-changes are tricky, as most car Engines are just too slow-revving (response-wise) to get the revs matched properly, but up-changes are pretty straightforward.
I do it (up) in my Fiat Multipla all the time, and my Daughter's Ford KA will happily change down without the clutch as well, takes a bit of practice though.

As for the Stelvio, I've put 2500 miles on mine so far, and the changes are getting silky smooth now.
Still get the odd 'hiccup' occasionally, and only going totally clutchless around 40% of the time, depending on traffic and how warm the engine is.
Slips into First from Neutral uncannily smoothly and silently when stone-cold, but regains the familiar Guzzi 'CLUNK' when warmed up . . .
 
I have had good success with Motorex Prizma ZX in the gearbox and the preloading the shifter seems to work too_just started using it cheers
 
Well, over last winter I got the clutch out because it failed to disengage. Open heart surgery. A damper spring had escaped and wedged itself in the diaphragm spring preventing clutch from releasing. Bike has now got 1000 miles on new clutch and I can report that it is quieter and smoother than original. The gear change is now super slick.
Last month I rode an Electra Glide (don't ask) 2500 miles around California and Arizona. That had a crunchy gearbox! Stelvio is a dream by comparison.
 
Thanks for reporting back ... a Guzzi CARC clutch is one of the biggest jobs in motorcycledom. Glad to hear it went well and you're still sane and riding the Stelvio!

Lannis
 
Speaking of clunky tranny's & shifting issues:

If any one wants to really appreciate how wonderful & smooth a Guzzi trans is I'll be glad to let you ride my 2013 Victory Tour.

My Griso likes to be shifted like a race bike: don't let off the gas, use a quick flick of the clutch & have the toe ready to move.

My Jackal trans was scared by a hound dog 'cause you're always hunting for third gear.

My Mille is a well behaved young lady who is always there when you need her most.

At least it is better now than in the 70's when I had Guzzi's & BSA's that shifted on different sides & may have had different shift patterns.
 
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