1986 Yamaha YZ490S Carburetor

Change Assembly
Diagrams Shown are for U.S. Models

Carburetor

Prices shown are USD

Ref#
 Part
Price
Qty
 
1
Carburetor Assembly 1
2
. Jet, Pilot(#40) UR STD
$6.99
2
. Jet, Pilot (#45) UR AP
2
. Jet, Pilot 35 UR AP
$5.49
3
. Nozzle, Main Q-8 UR AP
3
. Nozzle, Main Q-6 UR STD
3
. Nozzle, Main Q-4 UR AP
4
. Jet, Main (#440) UR AP
$4.05
4
. Jet, Main (#480) UR AP
$4.10
4
. Jet, Main (#470) UR AP
$4.05
4
. Jet, Main (#460) UR STD
$4.05
4
. Jet, Main (#450) UR AP
$4.05
5
. Needle Set
6
. Arm, Float
7
. Needle Valve Set
$21.99
8
. Pin, Float
$4.55
9
. Gasket, Float Chamber
$13.49
10
. Float
11
. Plug, Screw
12
. Washer, Main Jet
13
. Washer, Screw Plug
$6.99
14
15
. Valve, Throttle 1 2.5 UR AP
15
. Valve, Throttle 1 3.0 UR STD
15
. Valve, Throttle UR AP
16
. Screw, Pan Head
$3.70
17
. .Washer, Spring
$2.95
18
. Cable Adjust Set Screw
19
. Top, Mixing Chamber
20
. Spring, Throttle Valve
22
. Plate
23
. Throttle Screw Set
$24.99
24
. Starter Set
25
. Air Screw Set
$5.49
26
. Pipe, Over Flow 1
27
. Lever, Starter 1

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