Class Structure

General Specifications

2018 DMCZWC@MMX Classes Vintage and post-Vintage bikes to 1993 welcome!  

 

ALL classes AIR COOLED, DRUM BRAKES (except water-cooled CZs and classes where disc brakes are allowed. '83 CR 250s are not allowed ).


Our motos run from 6 to 8 laps (or more) depending on turnout. CZs run first, followed by Hodakas then the Mixed brand classes and the one moto speciality races last.  


While there are many classes, many classes will be combined, depending on turnout; there will be app. 17 2-moto races with a handful of 1 moto specialty races before halftime.  


There IS a place for you and your vintage/post-vintage bike on our starting line!  

Vintage

1. CZ Twinport. Nov/Int/Exp/Women  (Twinport = all 250-360cc 7/4 suspension travel) 


2. CZ Sidepiper. Nov/Int/Exp/Women  (Sidepiper = all 250-360cc 7/4 suspension travel) 


3. CZ Class of 74 125cc. Nov/Int/Exp   (Class of 74 = 7/4 suspension travel) 


4. CZ Class of 74 250cc. Nov/Int/Exp

5. CZ Class of 74 500cc. Nov/Int/ Exp  

6. CZ Class of 74 Women. Nov/Int/Exp  

7. CZ Class of 74 +50. Nov/Int/Exp 

8. CZ Class of 74 +60. Nov/Int/Exp 

9. CZ Class of 74 +70. Nov/Int/Exp 


10. CZ Spirit of 76 125cc. Nov/Int/Exp  (Spirit of 76 = All CZs over 7/4 suspension travel    up to 8" travel) 


11. CZ Spirit of 76 250cc. Nov/Int/Exp

12. CZ Spirit of 76 500cc. Nov/Int/Exp

13. CZ Spirit of 76 Women. Nov/Int/Exp


14. CZ PLT (powered long travelled) 125cc. Nov/Int/Exp   (LTCZP = CZ 8" and above suspension travel) 


15. CZ PLT 250cc. Nov/Int/Exp 

16. CZ PLT 500cc. Nov/Int/Exp 

17. CZ PLT Women Nov/Int/Exp 


18. CZ International Trans-Am 250cc -50. Int/Exp only (7/4 suspension travel.    Junior 250cc World Championship.) 


19. CZ International Trans-Am 250cc +50. Int/Exp only (7/4 suspension travel.     Senior 250cc World Championship).


20. CZ International Trans-Am 500cc -50. Int/Exp only (7/4 suspension travel.   Junior 500cc World Championship). 


21. CZ International Trans-Am 500cc +50. Int/Exp only (7/4 suspension travel.   Senior 500cc World Championship, top 3 scores from each team used. Perennial trophy)   


22. *CZ des Nations Team Race. (*ONE MOTO, 7/4 suspension travel, all engine sizes,  4 rider teams, top 3 scores from each team used. Perennial trophy)


23. *CZ Northern vs Southern California Team Race. (*ONE MOTO, 7/4 suspension travel, all engine sizes, 3 rider teams, lowest score wins. Perennial trophy).


Harry Taylor Cup. ALL Hodakas in one race, scored separately. 


24. Hodaka 100cc. Nov/Int scored together and Exp by themselves 

25. Hodaka 125cc. Nov/Int scored together and Exp by themselves

26. Hodaka 175cc. Nov/Int scored together and Exp by themselves 

27. Hodaka 250cc. Nov/Int scored together and Exp by themselves 

28. CZ/Hodaka 125 Shootout Challenge    one moto at halftime 


Post Vintage

 29. *LEGENDS. Non-CZ    (*ONE MOTO)National level riders who raced prior to 1975,  all engine sizes and bikes welcome).


30. Non-CZ Pre 1970 -350cc Single Light Scramble. Nov/Int/Exp (7/4 suspension travel) 


31. Non-CZ Pre 1970 350+cc Single Heavy Scramble. Nov/Int/Exp (7/4 suspension travel) 


32. TWINS Nov/Int/Exp (7/4 travel, all cc's) 


33. Class of 74 100cc. Nov/Int/Exp        (Class of 74 = 7/4 suspension travel) 

34. Class of 74 125cc. Nov/Int/Exp

35. Class of 74 250cc. Nov/Int/Exp 

36. Class of 74 500cc. Nov/Int/Exp 

37. Class of 74 Women. All classes combined 


38. Class of 76 100cc. Nov/Int/Exp (Class of 76 = 8" suspension travel maximum) 

39. Class of 76 125cc. Nov/Int/Exp 

40. Class of 76 250cc. Nov/Int/Exp 

41. Class of 76 500cc. Nov/Int/Exp 

42. Class of 76 Women. All classes combined 


43. Minus 10 125cc. Nov/Int/Exp   (Minus 10 = 10" suspension travel maximum) 

44. Minus 10 250cc. Nov/Int/Exp 

45. Minus 10 500cc. Nov/Int/Exp 

46. Minus 10 Women. Combined 


47. Plus 10 125cc. Nov/Int/Exp ( Plus 10 = greater than 10" suspension travel) 

48. Plus 10 250cc. Nov/Int/Exp 

49. Plus 10 500cc. Nov/Int/Exp 

50. Plus 10 Women. Combined 


51.  Pre 1994 Outlaw Modified. Nov/Int/Exp  (Any cc, modified, disk brake,  upside down forks OK.)

 

52. Adult Mini 4 Stroke Stocker.  (All adult mini 4 stroke classes combined)100cc-125cc Class (KLX140 accepted)  Stock Air cooled 4-stroke only... 


53. Adult Mini 4 Stroke Stocker II   Honda CRF150Fs Air cooled 4-stroke only... Allowable changes for STOCKER & STOCKER II, CLASSES: Shock & Fork springs only. Absolutely NO after-market shocks or forks. You can change the Air filter, but NOT the Carburetor. You can add an exhaust... But NO engine mods You can change Handlebars ~ Maximum wheels sizes: 19 inch front / 16 inch rear... NOTE: If you have any after-market Shocks, Forks or Engine modifications, you are in the MOD CLASS 


54. Adult Mini Mod Class  Any Modified, or Conversion Bored engine, or suspension changes ie; CR85 chassis, with an XR100/CRF100/TTR125 etc  Air cooled (only) 4-stroke Engine. Max 150cc and any suspension modifications. 


55. Adult Mini Outlaw Class Any Mini Chassis (Max 19 inch front wheel / 16 inch rear wheel)Unlimited Engine size 4-stroke up to 225cc Air cooled.Up to 100cc 2-Stroke mini bike (Max 19 inch front wheel / 16 inch rear wheel)  Honda CRF150Rs (Max 19 inch front wheel / 16 inch rear wheel. This class may also include all Modified 110cc bikes built up to 190cc