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Stalling

 
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Drum Pro
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Joined: 01 Sep 2011
Posts: 1161
Location: Victorville, Ca.
Buddy 170i "Gizmo" & blue Stella "Epona"

PostPosted: Mon Jan 04, 2016 8:17 pm    Post subject: Stalling Reply with quote

It seems that every time I go into 1st I stall. any opinions as to the cause? I'm starting to have a love/hate relationship with the Stella.....
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az_slynch
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Joined: 12 Sep 2012
Posts: 1766
Location: Tucson, AZ
'18 Spade, '16 K-Pipe, '13 Stella 4T, '12 Yager GT200i, '81 Vespa P200e and Far Too Many Others

PostPosted: Mon Jan 04, 2016 8:29 pm    Post subject: Reply with quote

I'd guess that your clutch cable could use an adjustment. How far do you have to pull the lever in to gearchange?
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At what point does a hobby become an addiction? I'm uncertain, but after the twelfth scooter, it sorta feels like the latter...

Seriously...I've lost count...

Seven mopeds ...that's still manageable...
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Drum Pro
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Joined: 01 Sep 2011
Posts: 1161
Location: Victorville, Ca.
Buddy 170i "Gizmo" & blue Stella "Epona"

PostPosted: Mon Jan 04, 2016 8:41 pm    Post subject: Reply with quote

az_slynch wrote:
I'd guess that your clutch cable could use an adjustment. How far do you have to pull the lever in to gearchange?
I just adjusted the clutch and the gear cables.... I wish I knew how to do more but I'm stumped....
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avescoots1134
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Joined: 06 Oct 2014
Posts: 279


PostPosted: Mon Jan 04, 2016 8:47 pm    Post subject: Reply with quote

If you leave the fuel on and flood the engine, gas can get into the crankcase and hurt the clutch discs. The clutch becomes very grabby when this happens.
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az_slynch
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Joined: 12 Sep 2012
Posts: 1766
Location: Tucson, AZ
'18 Spade, '16 K-Pipe, '13 Stella 4T, '12 Yager GT200i, '81 Vespa P200e and Far Too Many Others

PostPosted: Mon Jan 04, 2016 8:59 pm    Post subject: Reply with quote

Drum Pro wrote:
az_slynch wrote:
I'd guess that your clutch cable could use an adjustment. How far do you have to pull the lever in to gearchange?
I just adjusted the clutch and the gear cables.... I wish I knew how to do more but I'm stumped....


If you've already adjusted the cable, the issue could be the clutch itself. I've had a similar problem with a Vespa clutch before. Three things in the clutch assembly can cause this:

1. The bronze spacer washer between the drive plate and the pressure plate has completely worn out and the drive plate is now rubbing against the crankshaft assembly.

2) The bronze bushing that press-fits on the pressure plate has worn out or cracked and has shifted so that it's rubbing against the crankshaft assembly or is causing the drive plate and pressure plate to bind up. The drive plate rides on this bushing, which allows it to remain stationary while the pressure plate and clutch basket rotate with the crankshaft.

3) The clutch actuator arm in the clutch cover snapped. It appears to be a 4T Stella specific problem. It's been reported enough that I bought the DRT heavy-duty arms for the actuator. I may have a spare if you need one.

_________________
At what point does a hobby become an addiction? I'm uncertain, but after the twelfth scooter, it sorta feels like the latter...

Seriously...I've lost count...

Seven mopeds ...that's still manageable...
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ArgonV
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Joined: 27 Dec 2014
Posts: 127
Location: TX, USA
Stella 4T w/sidecar

PostPosted: Mon Jan 04, 2016 9:32 pm    Post subject: Reply with quote

Speaking of which, how far in does one need to pull the handle to safely change gears?
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Drum Pro
Member


Joined: 01 Sep 2011
Posts: 1161
Location: Victorville, Ca.
Buddy 170i "Gizmo" & blue Stella "Epona"

PostPosted: Mon Jan 04, 2016 10:04 pm    Post subject: Reply with quote

az_slynch wrote:
Drum Pro wrote:
az_slynch wrote:
I'd guess that your clutch cable could use an adjustment. How far do you have to pull the lever in to gearchange?
I just adjusted the clutch and the gear cables.... I wish I knew how to do more but I'm stumped....


If you've already adjusted the cable, the issue could be the clutch itself. I've had a similar problem with a Vespa clutch before. Three things in the clutch assembly can cause this:

1. The bronze spacer washer between the drive plate and the pressure plate has completely worn out and the drive plate is now rubbing against the crankshaft assembly.

2) The bronze bushing that press-fits on the pressure plate has worn out or cracked and has shifted so that it's rubbing against the crankshaft assembly or is causing the drive plate and pressure plate to bind up. The drive plate rides on this bushing, which allows it to remain stationary while the pressure plate and clutch basket rotate with the crankshaft.

3) The clutch actuator arm in the clutch cover snapped. It appears to be a 4T Stella specific problem. It's been reported enough that I bought the DRT heavy-duty arms for the actuator. I may have a spare if you need one.
Thanks but I wouldn't know how to fix something like that. I'm just gonna take it to a shop....
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jimmbomb
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Joined: 20 May 2011
Posts: 802
Location: St Louis
81 Vespa P200... past bikes. 08 stella 09 stella w/p200 motor and 2010 4t stella

PostPosted: Tue Jan 05, 2016 2:05 am    Post subject: Reply with quote

maybe your idle is too low.. I remember my 2010 4t well about pulling in the clutch at stop lights.. in neutral... idles fine.. pull in the clutch and the engine would slow down. even without putting in gear..
Just pulling in the clutch at a dead stop made the rpms go down.. slowly but surely and if it had the time, drop enough to die.
It did this all the time.
I made the habit of coming up to the light... downshifting to second.. then roll into neutral without the clutch while the bike was still rolling.
and when the light turned green.. rev the throttle a bit.. pulll in the clutch and pop into 1st gear and take off....
Who likes to sit thru a cycle of red//green/ yellow lights at a dead stop while holding your clutch lever in?? not me.
Then I increased the idle a bit but still stuck to my new routine about red lights..

good luck...
see if your rpms go down slowely as you sit dead stop with the clutch pulled in and NOT in gear..
maybe mine was a fluke.

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az_slynch
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Joined: 12 Sep 2012
Posts: 1766
Location: Tucson, AZ
'18 Spade, '16 K-Pipe, '13 Stella 4T, '12 Yager GT200i, '81 Vespa P200e and Far Too Many Others

PostPosted: Tue Jan 05, 2016 7:16 pm    Post subject: Reply with quote

jimmbomb wrote:
maybe your idle is too low...


Good point, Jim. I overshot and assumed that he couldn't get into gear due to the clutch not working at all. I do hope it's the simpler solution.

Mine does (did) drop in RPM a little with the shift into first gear, but it never stalled out. I did pick up the SIP roller style pressure plate for mine to reduce drag when the clutch is engaged.

_________________
At what point does a hobby become an addiction? I'm uncertain, but after the twelfth scooter, it sorta feels like the latter...

Seriously...I've lost count...

Seven mopeds ...that's still manageable...
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Drum Pro
Member


Joined: 01 Sep 2011
Posts: 1161
Location: Victorville, Ca.
Buddy 170i "Gizmo" & blue Stella "Epona"

PostPosted: Wed Jan 20, 2016 1:14 am    Post subject: Reply with quote

Thanks guys! It was #3. Well done to the shop guys in Costa Mesa. Fixed it with the quickness.. Too bad it's piss'n down rain at the moment and I won't be able to get to the shop to pick it up by closing time....
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jimmbomb
Member


Joined: 20 May 2011
Posts: 802
Location: St Louis
81 Vespa P200... past bikes. 08 stella 09 stella w/p200 motor and 2010 4t stella

PostPosted: Wed Jan 20, 2016 4:02 pm    Post subject: Reply with quote

Drum Pro wrote:
Thanks guys! It was #3. Well done to the shop guys in Costa Mesa. Fixed it with the quickness.. Too bad it's piss'n down rain at the moment and I won't be able to get to the shop to pick it up by closing time....


Same thing happened to my 2010 4 stroke..

talked about it here

Good deal you got it fixed

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az_slynch
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Joined: 12 Sep 2012
Posts: 1766
Location: Tucson, AZ
'18 Spade, '16 K-Pipe, '13 Stella 4T, '12 Yager GT200i, '81 Vespa P200e and Far Too Many Others

PostPosted: Fri Jan 22, 2016 5:35 am    Post subject: Reply with quote

Glad you were able to get your scoot sorted. Still not sure why this is an issue for the 4T and not the 2T; it's essentially the same part.

1500!

_________________
At what point does a hobby become an addiction? I'm uncertain, but after the twelfth scooter, it sorta feels like the latter...

Seriously...I've lost count...

Seven mopeds ...that's still manageable...
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