MotoSport.com: #1 in Dirt Bike, Motorcycle, ATV and UTV Parts, Accessories and Gear

More Parts for this ride

WARNING Cancer and Reproductive Harm www.P65Warnings.ca.gov.

# Part Retail Our Price

Stock Status Suggested Quantity
1
58431001600 carburetor mikuni bst40-266 03
This part is currently unavailable.
4
58431045000 circlip Price: $3.99

Usually ships in 5-7 business days.
5
58431031000 spring ring
This part is currently unavailable.
6
58431032000 plastic ring Price: $4.19

Backordered
7
58431007045 idling jet 45 Retail: $15.61 Price: $13.27

Backordered
7
58431007047 idling get 47,5 Retail: $15.83 Price: $13.46

Backordered
8
58431030000 throttle valve spring
This part is currently unavailable.
9
58431009000 float 6,1 gramm mikuni Retail: $54.77 Price: $46.55

Usually ships in 5-7 business days.
14
58431014000 screw plug float chamber
This part is currently unavailable.
17
58431017000 adjust screw cpl.
This part is currently unavailable.
19
58431019000 adjuster idling speed
This part is currently unavailable.
20
58431020000 needle valve 2,8mm Retail: $63.68 Price: $54.13

Usually ships in 5-7 business days.
21
58431021689 needle jet 689 x-6 Retail: $26.72 Price: $22.71

Backordered
23
58431023140 main jet 140 Price: $6.49

Backordered
23
58431023142 main jet 142,5 Price: $7.69

Usually ships in 5-7 business days.
23
58431023145 main jet 145 Price: $7.73

Backordered
23
58431023147 main jet 147,5 Price: $6.47

Backordered
23
58431023150 main jet 150 Price: $6.49

Backordered
23
58431023152 main jet 152,5 Price: $7.14

Backordered
23
58431023155 main jet 155
This part is currently unavailable.
23
58431023157 main jet 157,5 Price: $7.76

Backordered
23
58431023160 main jet 160 Price: $7.73

Backordered
23
58431023162 main jet 162,5 Price: $6.09

Backordered
23
58431023165 main jet 165
This part is currently unavailable.
23
58431023167 main jet 167,5 Price: $7.00

Backordered
23
58431023170 main jet 170 Price: $7.76

Backordered
23
58431023172 main jet 172,5 Price: $7.62

Backordered
23
58431023175 main jet 175 Price: $7.62

Backordered
23
58431023177 main jet 177,5 Price: $7.62

Backordered
23
58431023180 main jet 180 Price: $7.62

Backordered
26
58431026000 spring for adjuster
This part is currently unavailable.
27
58431027000 diaphragm cover mikuni
This part is currently unavailable.
28
58431028000 diaphragm for throttle valve Retail: $49.60 Price: $42.16

Backordered
29
58331029017 slide stop l=17mm mikuni Price: $7.83

Backordered
34
584310346G5 jet needle 6g5 Retail: $15.83 Price: $13.46

Usually ships in 5-7 business days.
35
58431035000 throttle valve ''1'' Retail: $65.33 Price: $55.53

Backordered
36
58431132000 shim jet needle Price: $1.20

Backordered
37
58431037000 throttle valve guide plastic Retail: $43.55 Price: $37.02

Usually ships in 5-7 business days.
42
58431042000 fuel screen mikuni Price: $9.45

Backordered
43
58431043000 packing ring for adjuster Price: $6.71

Backordered
49
58431049000 starting piston mikuni Retail: $38.71 Price: $32.90

Usually ships in 5-7 business days.
50
58431050000 screw m12 startsystemn Retail: $10.55 Price: $8.97

Usually ships in 5-7 business days.
53
58431053000 spring 22,5mm for start.piston Price: $7.03

Usually ships in 5-7 business days.
80
52031137001 pvc-hose 3x5mm Price: $6.15

In Stock
81
54435024001 hose id 7,5 per meter
This part is currently unavailable.
82
58031005000 clamp ydnac 10128 12mm Price: $3.99

In Stock
83
57931001010 plug cap for epc connection Price: $1.04

Backordered
99
58431099000 gasket set mikuni bst40-225 Retail: $73.58 Price: $62.54

Usually ships in 5-7 business days.

2003 KTM 640 SUPERMOTO PRESTIGE Carburetor Mikuni BST 40