Technical
Data
I
TROPHY (TR5) TECHNICAL DATA
ENGINE
Type
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. .
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O.H.V. Twin
B.H.P.
at
R.P.M.
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...
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33
at
6500
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Bore
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...
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2.48 ins. (63 rnrn.)
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Stroke
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... ...
... ...
3.15 ins. (80 rnrn.)
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Capacity
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.
.
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30.5 cu. in. (498 c.c.)
Cornererrion Ratio
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8:1
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Inlet
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,002 in. (.05 rnrn.)
Valve Clearance (Cold):
Exhaust
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,004 in. (.I0 rnrn.)
Valve Timing:-(with .020 in. Tappet clearance lor checking)
lnler Valve opens B.T.C.
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27"
lnlec Valve closes A,B.C.
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... ...
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48"
Exhaust Valve opens B.B.C.
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48O
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Exhaust Valve closes A.T.C.
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27"
IGNITION
Magneto Contact Point Gap
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,012" (.3 rnm.)
Sparking Plugs (Champion)
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NAlO
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Sparking Plug Gap
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,015"-.018"(.4rnm.-.5rnm.)
Timing (Fully Advanced):-
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Crankshaft position
.,.
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. .
,
. .
41
"
B.T.C.
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Piston position
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. .
I:
"
(12 rnrn.) B.T.C.
CARBURETTER
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Type
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Arnd
Monobl~~c
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Main
Jet
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,..
220
Needle
Jet
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...
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..,
...
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1065
Needle Position
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,
.
.
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.
.
3
Throttle Valve
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376'31
Pilot let
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25
TRANSMISSION
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Gearbox-Type
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Positivc selection
(Foot operated)
'lo
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