Spree carb is junk?

Trying to get your Spree/Elite to run, or run better? Post your questions here.

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Volvo850R
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Spree carb is junk?

Post by Volvo850R »

Hey guys. I’m working on third Spree right nowNo matter what I do I cannot get this carburetor to function correctly.Everything is clean and gaskets replaced .tried every needle setting.hard to start idle races then dies . Bogs with no power. Has good fuel flow. Good filters . No vacuum leak. Compression . Good spark..air screw and throttle screw will not dial in like the rest of my sprees. the carb just will
Not work correctly.
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Re: Spree carb is junk?

Post by ss800 »

pilot circuit has been cleared/cleaned?
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Re: Spree carb is junk?

Post by Volvo850R »

I’ve soaked it and used air as well as a small piece of wire. I have never seen daylight through a spree slowjet before. Diameter is so tiny. Even under 3/4 to full throttle not much power.. would this mean that slow jet is the culprit.?
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Re: Spree carb is junk?

Post by Wheelman-111 »

Greetings:

Consider: Swap out the muffler with one of the good-running Sprees. Just a hunch.
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Re: Spree carb is junk?

Post by Volvo850R »

I’ve done that. I got the S 23 pipe and tried new jets.. still same.. my last resort is swap carbs and see if that makes difference I guess.. I’ve done every thing else
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Re: Spree carb is junk?

Post by motormike »

I suspect that carb has some clog somewhere that is hidden.
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Re: Spree carb is junk?

Post by Volvo850R »

It’s gotta be the carb. I’m not new to carbs especially spree carbs so that makes me more frustrated.the air screw didn’t have a spring so I found one that fits. Other than that everything has Ben cleaned just like my other sprees. Any ideas on what I should check.?
1986 spree
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1984 elite ch125
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Re: Spree carb is junk?

Post by Wheelman-111 »

Greetings:

Another hunch, but this one requires an intake manifold gasket: Check the reeds??
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"ISO": '03 Vespa ET4 Malossi187 74MPH
Flash 9: 2001 Elite SR Contesta 72 ZX Tran, 9:1 Gears, Stock Airbox/Carb/Pipe 58.8 MPH
Punkin: 2010 Vespa/Malossi S78, 61MPH
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Re: Spree carb is junk?

Post by Volvo850R »

New reeds and gaskets. New piston base and head gasket.. new crank seals. Carb insulator gaskets. New auto by starter. New coil wire boot and plug. New oil .. still can’t get her
1986 spree
1985 spree
1984 elite ch125
1985 yamaha riva deluxe
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Re: Spree carb is junk?

Post by Volvo850R »

Another thing I always thought was unrelated. The tail light will fade out once in a while. And for some reason it will only kickstart with a full battery. .. any ideas.. thanks man
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Re: Spree carb is junk?

Post by Rideslikenacho »

Swap the carb with a good working one if you have it, should take maybe 20 minutes or less. Sounds like a clogged jets, especially the 3/4 to full throttle bog.
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Re: Spree carb is junk?

Post by Volvo850R »

Yeah I’m gonna swap it up with a different one tonight. I’m confused as to what could go wrong with the current one. Main jet is clean. Emulsion tube clear. Idle circuit is clean . All passages clean… primer circuit clean
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Re: Spree carb is junk?

Post by Rideslikenacho »

Volvo850R wrote: Fri Oct 29, 2021 11:58 am Yeah I’m gonna swap it up with a different one tonight. I’m confused as to what could go wrong with the current one. Main jet is clean. Emulsion tube clear. Idle circuit is clean . All passages clean… primer circuit clean
Wrong size jets?
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Re: Spree carb is junk?

Post by Volvo850R »

Stock 65 jet and pipe
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Re: Spree carb is junk?

Post by mousewheels »

Another thing I always thought was unrelated. The tail light will fade out once in a while. And for some reason it will only kickstart with a full battery. .. any ideas.. thanks man
'Full' battery voltage should have no impact on the spark, as the CDI has no battery connection.

That said, some members Spree ignitions have shown erratic behavior when there is a bad ground - either at the engine (Green wire on starter bolt) as well as the frame ground to battery connection.

With luck perhaps your taillight issue is related. But old as our scooters are, from lamp socket to +12v and gnd, the issue can be one or more places.
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