OP
@benfromreu avatar
UTC

Enthusiast
2008 Vespa S150, 2009 Vespa GTS300 Super, 2012 Triumph Bonneville
Joined: UTC
Posts: 51
Location: Ottawa, Canada
 
Enthusiast
@benfromreu avatar
2008 Vespa S150, 2009 Vespa GTS300 Super, 2012 Triumph Bonneville
Joined: UTC
Posts: 51
Location: Ottawa, Canada
UTC quote
I pulled it out of the garage after about 3 weeks of not riding and some pretty cold weather too.
When I tried to start it it ran for about 5 seconds and then died but I could hear the whirring of the starter/flywheel (i dunno).
I did this maybe 6 times and then it stopped making any sounds so I figured I probably killed the battery so I bought a battery charger.
After charging the battery and putting it back in it is doing the same thing. I didn't kill the battery again but if I keep trying to start it it will probably die.
I am also noticing quite a gas/exhaust smell.
The other thing is I filled the tank with gas and Stabil in order to winterize. I was only trying to start it to get the gas mixture into the whole system. Maybe having a full tank is not helping the situation either.
Anybody have any ideas?
UTC

Hooked
2019 VESPA SPRINT 150
Joined: UTC
Posts: 404
Location: lake havasu city, az
 
Hooked
2019 VESPA SPRINT 150
Joined: UTC
Posts: 404
Location: lake havasu city, az
UTC quote
Possibly the evap system malfunction when you filled fuel.

Do a search on the forum and check your air filter for saturation.
OP
@benfromreu avatar
UTC

Enthusiast
2008 Vespa S150, 2009 Vespa GTS300 Super, 2012 Triumph Bonneville
Joined: UTC
Posts: 51
Location: Ottawa, Canada
 
Enthusiast
@benfromreu avatar
2008 Vespa S150, 2009 Vespa GTS300 Super, 2012 Triumph Bonneville
Joined: UTC
Posts: 51
Location: Ottawa, Canada
UTC quote
thanks for the tip.
I found it ( https://modernvespa.com/forum/topic86 ) and I will have to try that tomorrow.
I'll post if it works.
@harvey avatar
UTC

Ossessionato
2016 Honda NC750XD, 2007 GTS (sold),
Joined: UTC
Posts: 3517
Location: Canada
 
Ossessionato
@harvey avatar
2016 Honda NC750XD, 2007 GTS (sold),
Joined: UTC
Posts: 3517
Location: Canada
UTC quote
If your evap system is fine this is another thing you can try:
Introducing myself (Post 9010)

If the ambient air temperate is -10C (50F) or below, a special cold starting procedure must be followed:

1. Turn on the ignition.

2. Turn the engine over several time, by depressing the kick starter.

3. Wait for about 2 minutes, to allow the carburetor electric heater to warm the carburetor.

4. Start the engine in the normal manner.

I skip step 2 and it starts every time in cold weather. I used to have trouble before using this technique.

See: Carb Warmer

Tim
Regards
Harvey
OP
@benfromreu avatar
UTC

Enthusiast
2008 Vespa S150, 2009 Vespa GTS300 Super, 2012 Triumph Bonneville
Joined: UTC
Posts: 51
Location: Ottawa, Canada
 
Enthusiast
@benfromreu avatar
2008 Vespa S150, 2009 Vespa GTS300 Super, 2012 Triumph Bonneville
Joined: UTC
Posts: 51
Location: Ottawa, Canada
UTC quote
It Started!!!!!
Thanks for your help guys. I tried getting the Evap hose off first but it was pretty stuck so I decided to try Harvey's method first. It seemed to help but it still ended up stalling.
So I got my pliers and started yanking on the hose until I heard a small crack. That got me worried so I started using my hands. It came off easier and it turned out that the crack was just some glue that was holding the hose on.
With the hose off it started after a few tries and lots of throttle. So while it was running I decided to put the hose back on. It promptly stalled within 5 seconds. Tried to start it with the hose on but it wouldn't.
Took the hose off again and got it started again and let it run longer. After several tries I ended up getting it to start with the hose on.

You guys will make me a mechanic yet. I must say that when it truly started with all that throttle and the roar of the engine - that was a rush. I would have gone for a ride if we hadn't just been dumped on with 10 cm of snow.
Time to switch to snowboarding I guess.
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