OP
UTC

Lurker
Beverly 350, 2012
Joined: UTC
Posts: 2
Location: Hungary
 
Lurker
Beverly 350, 2012
Joined: UTC
Posts: 2
Location: Hungary
UTC quote
I would like to buy a Malossi RX exhaust system for my Beverly 350, but I confused about next step.

Should I buy only a forcemaster or I need a lambda emulator too?

I didn't find any suggestion from Malossi just I saw in assembly instructions how to connect lambda emulator to Forcemaster nothing more.

Do I need to put lambda sensor to malossi exhaust system at all??? (In case of not I feel that lambda emulator not too necessary )

Thank you for your help!
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UTC

Veni, Vidi, Posti
GT 2.4
Joined: UTC
Posts: 8984
Location: Watts, Cherokee Nation
 
Veni, Vidi, Posti
@motovista avatar
GT 2.4
Joined: UTC
Posts: 8984
Location: Watts, Cherokee Nation
UTC quote
The Forcemaster allows you to change the air/fuel mixture across the board. The Lambda emulator richens the air/fuel mixture up to the point the Piaggio ECU stops listening to the O2 sensor, around 6K rpms. I run one or the other, but not both. If you have a nice street setup, and are overall happy with the setup, but want the bike to run better and last longer, I would go with the Lambda emulator. If you want to fine tune your scooter's performance across the powerband, the Force Master is the way to go. It does what a Power Commander does for motorcycles.

In terms of what the two parts do, and this is an extremely simple, and not entirely accurate version of it:

Force Master = Power Commander on Motorcycles
Lambda Emulator = Larger pilot and main jet on carb bikes.
OP
UTC

Lurker
Beverly 350, 2012
Joined: UTC
Posts: 2
Location: Hungary
 
Lurker
Beverly 350, 2012
Joined: UTC
Posts: 2
Location: Hungary
UTC quote
Thank you, but basicly you say the same.
Both of them change the air/fuel ratio.

I'm afraid that I buy an exhaust system and a TC2 and original ECU will send lambda error message without emulator!?
@motovista avatar
UTC

Veni, Vidi, Posti
GT 2.4
Joined: UTC
Posts: 8984
Location: Watts, Cherokee Nation
 
Veni, Vidi, Posti
@motovista avatar
GT 2.4
Joined: UTC
Posts: 8984
Location: Watts, Cherokee Nation
UTC quote
bci358 wrote:
Thank you, but basicly you say the same.
Both of them change the air/fuel ratio.

I'm afraid that I buy an exhaust system and a TC2 and original ECU will send lambda error message without emulator!?
Not at all.
Unplug the battery for about half an hour while you add the exhaust. Some people touch the negative and positive leads together, or put the positive one onto the metal of the Vespa, to discharge the ECU completely. When you have installed the exhaust, put the leads back on the battery and start the engine. Your ECU will reprogram itself when you start the bike back up, based on the information it receives from the O2 sensor.
A Lambda emulator does slightly richen the mixture at lower rpms. But you can't control the ratio. It does what it does. With the Forcemaster, you control the air fuel ratio throughout the rpm range.
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