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VM18 Exploded View & Parts
VM18 Replacement Parts
• Lined through part numbers are not available.
No. Description Mikuni No. Order No.
1. Rubber Cap, Throttle Cable VM18/67 007-685
2. Cable Adjuster M21/14 002-062
3. Nut, Cable Adjuster B30/247 002-065
4. Top, Mixing Chamber VM16/40 007-273
5. Spring, Throttle Valve VM18/170 007-274
6. Clip, Jet Needle Retaining VM18H1/38 007-686
7. E-Ring, Jet Needle VM20/369 002-083
8. Jet Needle J8-4F18 –––––––
9. Throttle Valve (slide) VM18/158-1.0 007-425
10. Rubber Cap, Starter Plunger VM20/455 002-084
11. Fitting, Starter Plunger VM20/456 002-085
12. Spring, Starter Plunger VM16/42 002-671
13. Starter Plunger VM18/144 002-092
14. Spring Plate, Starter Lever VM18/151 –––––––
15. Starter Lever VM18/215 007-687
16. Washer, Starter Lever BV26/118 –––––––
17. Nut, Clamp Bolt N1=05 007-279
18. Sealing Ring, Rubber VM18/326 007-280
19. Ring, Insulator (I.D.=23mm) VM18/327 007-281
20. Pilot Jet VM22/210 Pg.212
21. Needle Jet VM15H1/17-0-0 –––––––
22. Main Jet 4/042 Pg.214
23. Gasket, Float Bowl VM17/161 007-282
24. Float Bowl VM18/161 007-283
25. Screw, Float Bowl 4x14mm CW2=0414 002-522
26. Air Adjusting Screw VM20/305 002-720
27. Spring, Air Adjusting Screw VM15/112 002-863
28. Spring, Idle Adjusting Screw VM15/112 002-863
29. Idle Adjusting Screw VM18/164 007-284
30. Bolt, Clamp VM16/65 007-285
31. Washer, Needle Valve Seat VM15/07 007-286
32. Needle Valve Assembly VM15/172-#1.5 007-288
33. Float VM17/159 007-290
34. Pin, Float BV26/22 002-107
35. Hose, Overflow VM13/06 –––––––
Sold each. Mikuni No.VM18-144
Order No. 001-001
Carb Main Pilot Needle Jet Throttle Valve Air Jet Needle Float Mikuni Order
Size Jet Jet Jet Needle Cutaway Valve Set Height No. No.
VM18 4/042 #80 VM22/210 #30 #145 O-0 #4F18 VM18/158 1.0 None VM15/172-1.5 20-22mm VM18-144 001-001
Size (mm) A B C D Total Width
VM18-144 23 ID 67 108 32 61
Float Height
20 - 22mm
Mikuni VM Series Carburetors are intended for off-road
riding and racing use only. Not legal for use in California
or other locations where similar pollution laws may apply.
Carburetor Dimensions
VM18 Clamp-On Standard Jetting Specifications
Mikuni VM18 Clamp-On Carburetor