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Title: what are the rules on vintage road racing.
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Aimoo Team
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(Date Posted:01/29/2008 16:33:10)

This message has been deleted due to Termination of Account.

scumbucket
1# 



Registered:01/14/2008
Time spent: 0 hours

RE:what are the rules on vintage road racing.
(Date Posted:01/30/2008 20:37:07)

not in ahrma. the bike would make a nice spec. class race bike. they have a vintage class for them in euro. and down under too (i think). i have one too and would do the same if i could. you should be able to run it with wera.  but the smallest class they have is 250cc or maybe 350 now?? 
Flattracker23
2# 



From: USA
Registered:09/10/2008
Time spent: 0 hours

RE:what are the rules on vintage road racing.
(Date Posted:09/10/2008 08:13:33)

Looks like to me you could run in the AHRMA 200 Grand Prix class.

10.2.4 200 GRAND PRIX PLUS: This class combines a variety of engine designs and displacements, based on an index of performance. Eligible machines are listed below by make, model, displacement, and individual restrictions. Like-design models also are permitted. Displacement as noted below may not be increased beyond the allowable overbore. (See rule 9.7.2).

Aermacchi/H-D 250cc long-stroke (66mm bore x72mm stroke), wet clutch, original backbone chassis, maximum 30mm carburetor (i.e., up to 1965 only)
AJS/Matchless 250cc pushrod single, maximum 30mm carburetor
Ariel Arrow 250cc twin, original frame and forks, one 32mm or smaller carburetor
Benelli 250cc pushrod single, maximum 30mm carburetor
BMW R26 250cc single, maximum 30mm carburetor
Bridgestone 175cc twin, maximum 22mm carburetors
BSA / Triumph 250cc single, maximum 30mm carburetor
Bultaco 125cc water-cooled GP TSS (round barrel only)
Bultaco 175cc air-cooled single (round barrel only), maximum 30mm carburetor
Bultaco 200cc air-cooled single, maximum 4-speed, maximum 28mm carburetor
Ducati 125, 160, 175, 200cc single
Hodaka 125cc
Honda CR110 (CR93)
Honda CB/CL 160, 175cc twin
Honda CA/CB 125, 160cc twin
Indian Arrow 250cc single, maximum 30mm carburetor
Moto Guzzi 250cc pushrod, maximum 30mm carburetor
MV 200cc “ works” or replica single or twin
MV Augusta 250cc pushrod, maximum 30mm carburetor
Norton 250cc pushrod twin, maximum 30mm carburetor
Ossa 175cc, maximum 30mm carburetor
Parilla 250cc pushrod, maximum 30mm carburetor
Parilla 200cc production racer
Puch/Allstate 250cc split single, maximum one 32mm carburetor
Rumi 125cc flat twin
Triumph 200cc T20 Tiger Cub, maximum 250cc with allowable overbore; maximum 30mm carburetor
Villiers-based 250cc two- strokes such as Cotton, DKW, Greeves, maximum 32mm carburetor
Yamaha AS1 125cc twin (pre-1968), cast iron cylinders only
Yamaha CT1 175cc single (no Noguchi engine components), maximum 30mm carburetor
Yamaha YCS1 180cc twin (pre-1969), maximum 22mm carburetors.

(Message edited by Flattracker23 On 09/10/2008 08:53:13)

--------------------------------------------------------------
Spencer Gaydon
Lubbock, TX

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