2008 Manual of Motorcycle Sport - Motorcycling Australia
2008 Manual of Motorcycle Sport - Motorcycling Australia
2008 Manual of Motorcycle Sport - Motorcycling Australia
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18.10 Eligibility - CLASSIC LONG<br />
TRACK<br />
18.10.0.1 Engines must have been manufactured<br />
before 31 st December 1976.<br />
18.10.0.2 Competitors must be aged at least 30<br />
years at the date <strong>of</strong> the competition.<br />
18.11 FrameS & pARTS - Classic Long<br />
Track<br />
18.11.0.1 The frame must:<br />
a) Have conventional swingarm<br />
rear suspension with twin shock<br />
absorbers,<br />
b) Have a front wheel diameter <strong>of</strong> 23”<br />
(594mm),<br />
c) Have a rear wheel diameter <strong>of</strong><br />
19” (482mm) or 22” (560mm), as<br />
specified in the SR.<br />
d) Have rear tyres with a maximum<br />
tread pattern depth <strong>of</strong> 8mm.<br />
e) Not be fitted leading-link front forks.<br />
18.11.1 Engine Specifications - Solo<br />
18.11.1.1 The engine must:<br />
a) Be single cylinder,<br />
b) Be 2- valve with push rod operation,<br />
c) Have a single spark plug,<br />
d) Have a maximum capacity <strong>of</strong> 500cc<br />
+<br />
/ -<br />
2% tolerance,<br />
e) Be vertical in the chassis,<br />
f) Be fitted with a round slide<br />
carburettor <strong>of</strong> 38mm maximum bore,<br />
g) Not be fitted with a centre port cross<br />
flow cylinder head.<br />
18.11.2 Gearbox - Classic Long Track<br />
18.11.2.1 The gearbox must have at least 2 gears.<br />
18.11.3 Frames - Sidecars<br />
18.11.3.1 Conventional type frames as used prior to<br />
31 st December 1976 must be used.<br />
18.11.4 Engine Specifications - Sidecars<br />
18.11.4.1 Engines must have been manufactured<br />
before 31 st December 1976.<br />
18.12 Competition Rules - Classic<br />
MX and Dirt Track<br />
18.12.0.1 Pre-1960, Pre-1965, Pre-1970. Should a<br />
class have insufficient entrants (10) then<br />
the entries will compete in the next later<br />
period and compete as that class. e.g.<br />
Pre-1960 has less than 10 riders, the<br />
entrants will then combine with pre-1965<br />
and race as pre-1965. Should that<br />
combined class still not have sufficient<br />
numbers then both the entrants in pre-1960<br />
and pre-1965 will combine with pre-1970<br />
and race as that class. This GCR applies<br />
equally to the pre-1965 250cc who will<br />
combine with pre 1970-250cc if there are<br />
insufficient numbers for a pre-1965 class.<br />
18.13 AUSTRALIAN classic<br />
MOTOCROSS CHAMPIONSHIP<br />
18.13.1.1 The <strong>Australia</strong>n Classic Motocross<br />
Championship willbe conducted as a<br />
single meeting at a venue selected by<br />
the Classic Motocross and Dirt Track<br />
Commission.<br />
18.13.1.2 Evolution class may be run as part<br />
<strong>of</strong> the <strong>Australia</strong>n Classic Motocross<br />
Championship or independently.<br />
18.13.1.3 The Sidecar Classic Motocross<br />
Championship may be run independently<br />
from the solo <strong>Australia</strong>n Classic Motocross<br />
Championship.<br />
18.14 AUSTRALIAN CLASSIC dirt<br />
track CHAMPIONSHIP<br />
18.14.0.1 The <strong>Australia</strong>n Classic Dirt Track<br />
Championship shall generally be<br />
conducted on either the 2 nd or 3 rd weekend<br />
<strong>of</strong> September each year.<br />
18 classic motocross & dirt track<br />
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<strong>2008</strong> 2007 MANUAL OF MOTORCYCLE SPORT enjoy the ride 161