300/440/550 650SX Carb Identification

K

kings1527

Can anyone help me identify or tell me how to identify the Mikuni carb in this 650 I just bought? I don't know if it's a 44mm, 38mm, or ?


The second picture is of a switch that is mounted on the right handlebar. What does this do? I'm guessing it's a primer because after I turn it on, it sounds like a small pump is working the fuel line and the choke, nor the fuel switch, are hooked up any longer.

The third picture is one of the jet assembly. The ride plate is a Pro but I'm trying to figure out an easy way to identify the impeller or jet assembly. It looks aftermarket

Before everyone starts laughing, I'm new to the whole scene. Thanks for the help.
 

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Crab

Crab

thanks darin...noswad!
Location
Seattle
Looks like a round body 44, bilge pump switch, and 85mm exit nozzle with OP ride plate, damm I'm good.
 
K

kings1527

crab said:
Looks like a round body 44, bilge pump switch, and 85mm exit nozzle with OP ride plate, damm I'm good.
Click to expand...



Wow Crab...nicely done. One more question for you (at the moment; that I can think of) don't shoot me for this one...

When do I want to use the bilge pump? What is its function? Thanks again in advance.
 
Crab

Crab

thanks darin...noswad!
Location
Seattle
kings1527 said:
Wow Crab...nicely done. One more question for you (at the moment; that I can think of) don't shoot me for this one...

When do I want to use the bilge pump? What is its function? Thanks again in advance.
Click to expand...
Turn it on when you go out, off when you get back, just let it run. If and when you fill the boat with water like I do constantly, you want to pump it out quick.
 
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