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MotorCycle Classes

NOTE : This information is intended to be a guide only, please refer to the DLRA Rule Book.

Motorcycle classes are listed in order of frame type, engine type and displacement.

Engine Displacement Classes

Shown in cubic centimeters
50, 100, 125, 175, 250, 350, 500, 650, 750, 1000, 1350, 1650, 2000 and 3000 where permitted and 3001 and above where permitted

Frame type

Designation	Frame Class
P	Production
M	Modified
A	Special Construction
MPS	Modified Partial Streamlining
APS	Special Construction Partial Streamlining
SC	Sidecar
SCS	Sidecar Streamliner
S	Streamliner

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Engine type

Designation	Engine Class
P	Production
PP	Production Pushrod
PS	Production Supercharged
G	Modified Engine : Gasoline
PG	Pushrod Engine : Gasoline
VG	Vintage Engine : Gasoline
UG	Unlimited Engine : Gasoline
BG	Supercharged Engine : Gasoline
PBG	Supercharged Pushrod Engine : Gasoline
VBG	Supercharged Vintage Engine : Gasoline
F	Modified Engine : Fuel
PF	Pushrod Engine : Fuel
VF	Vintage Engine : Fuel
UF	Unlimited Engine : Fuel
BF	Supercharged Engine : Fuel
PBF	Supercharged Pushrod Engine : Fuel
VBF	Supercharged Vintage Engine : Fuel
W	Steam, Turbine or Electric Engine : Fuel

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Permitted Classes and Engines

Frame Class	Engine Class	Maximum Displacement	Engine Permitted
P	P, PP, PS	2000	1
M	All	2000	1
A	All	3001 & above	2
MPS	All	2000	1
APS	All	3001 & above	2
S	All	3001 & above	2
SC	All	3001 & above	2
SCS	All	3001 & above	2

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