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 Starters that won’t start

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Oz1200Guzzi
GustoGriso
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GustoGriso
Squinternotto
Squinternotto
GustoGriso

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Join date : 2021-10-06

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PostSubject: Starters that won’t start   Starters that won’t start Icon_minitime1Wed Oct 06, 2021 6:57 pm

GustoGriso
I’m new to the forum so bear with me.
I don’t know how many of 4 value 2007-2008 GRiSO 1040’s have had starter interuptus.
My GRiSO has eaten two starters in 14 years with only 13,500 miles on the clock.
It’s a great bike when it works, and a lump when it doesn’t.
My dealer, Cycles of Jacksonville was stumped too…took 10 weeks to figure out they didn’t
understand what was going on.
I happened to be on You Tube and found a work around for exactly the starter problem I had,
I shared this with the cycle shop and they called Moto Guzzi and they ‘admitted’ that there was an issue
with continuity and sent the dealer a schematic that gave the shop a way of fixing the situation.
As best I can describe, it was a bad wire that the factory substitute for whatever reason
the Wizzards of the Lake decided to do.
The fix isn’t expensive and it works, but I’m not a tech guy, so I can’t tell you exactly what they did.
It runs now. My baby is back…the thrill has returned.
Let me know if you have experienced the same problem.
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Oz1200Guzzi
Don Abbondio
Don Abbondio
Oz1200Guzzi

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Join date : 2014-03-13
Age : 66

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PostSubject: Re: Starters that won’t start   Starters that won’t start Icon_minitime1Wed Oct 06, 2021 7:04 pm

Most of us have. As you say, the fix is easy. Glad you are again riding.

This is your first post, so welcome to our little bit of madness. We need pics!

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Kiwi_Roy
Sfregiato
Sfregiato
Kiwi_Roy

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Join date : 2017-11-09

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PostSubject: Re: Starters that won’t start   Starters that won’t start Icon_minitime1Sat Oct 09, 2021 3:05 am

A good portion of Guzzis leave the factory hardwired to suffer from this stupid problem. They persist in feeding the start relay through the ignition switch, the Start relays (2) & (3) are connected to the starter solenoid that can draw 50 Amps for a split second as it slams the gear into mesh, below about 25 it just sits there.
[You must be registered and logged in to see this link.]
The fix is to snip the yellow wire and feed the relays direct from the battery through a 20 Amp fuse.
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motor-timothy
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motor-timothy

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Join date : 2016-12-20

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PostSubject: Re: Starters that won’t start   Starters that won’t start Icon_minitime1Sun Oct 10, 2021 1:24 am

Unfortunately for me all those fixes while they reduced the issue didn't entirely negate it. Even changing the starter didn't fix it. The starter just pulls so much power to turn the engine especially when the engine is cold that with a conventional battery it still took multiple start attempts to start (dash blanking out) and the occasional burned fuse. I found rocking the bike in gear before starting helped but not always.
Only my new lithium battery puts out enough cranking power to 'force' the engine to start in 1 go and even it struggles sometimes with the dash blanking out. But since installing that the bike at least always starts and no burned fuses.
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Kiwi_Roy
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PostSubject: Re: Starters that won’t start   Starters that won’t start Icon_minitime1Tue Oct 12, 2021 6:46 am

You changed the starter and it still didn't work? I would be looking for a bad ground or main positive lead.
Measure the battery from post to post as it tries to crank and get back to us.
Jab your meter leads into the posts NOT the wires connecting to them.
Also try from the negative post to somewhere on the chassis while cranking, should stay at < 0.5 Volts.
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motor-timothy
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PostSubject: Re: Starters that won’t start   Starters that won’t start Icon_minitime1Tue Oct 12, 2021 9:03 am

Kiwi_Roy wrote:
You changed the starter and it still didn't work? I would be looking for a bad ground or main positive lead.
Measure the battery from post to post as it tries to crank and get back to us.
Jab your meter leads into the posts NOT the wires connecting to them.
Also try from the negative post to somewhere on the chassis while cranking, should stay at < 0.5 Volts.

I've ready done all the tests you mention. Replaced the ground cable, switched ground points, everything basically. I've given up and now see it as a quirk of this motorcycle. The engine just takes more power than is normally the case to turn it when its cold or something.
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lcjohnny
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Age : 66

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PostSubject: Re: Starters that won’t start   Starters that won’t start Icon_minitime1Tue Oct 12, 2021 12:37 pm

On mine there was (yet) another problem that stopped my Startus-Interruptus fix working.

I had (stupidly) lubricated the moving parts of the solenoid when i stripped and checked and the lubricant seems to have been sealing around the solenoid and causing an effective air-spring - that slowed it down and increased the current draw.

wiped the oil off the solenoid and out of the housing and it was working better again - now i have a new battery it starts after one rotation. Not as eager to start as Ducati testratetta but I think that is down to starter gearing.
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not-fishing
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not-fishing

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PostSubject: Re: Starters that won’t start   Starters that won’t start Icon_minitime1Tue Oct 12, 2021 1:15 pm

I have an '07 GRiSO with nearly 70,000 miles on the clock (I haven't ridden much in the last 3 years) and had another problem which may be part of yours.

After a 3 hour trip to fetch the GRiSO when my son had borrowed it, the starter would turn some and blow a fuse.  He tried it 4 times before he ran out of fuses.  I figured it was the fuel pump, pulled it out and the pump worked fine.  I replaced the fuel tank hoses, injector hoses no small cost and damned ethanol and tried to blow through the fuel filter.  The filter turned out to be plugged so I replaced it with a spare.  It seems like whenever I make a purchase from a parts shop I'm always buying a few extra things so I had one I bought 5 years ago

I wonder if the draw of the fuel pump would provide less power to the starter.  Butt no way am I an electrician
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