Engine identification number, Controls and gauges, Operation – S&S Cycle TÜV Long Block User Manual
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ENGINE IDENTIFICATION NUMBER
The Engine Identification Number (EIN) is stamped on the
left side of the crankcase below the front cylinder deck, and
on the right side immediately forward of the front tappet
guide. It consists of a seven-character code (see example
below). The first and last characters are stars (*). The second
character is a letter that designates the code for the model
year of the engine. The four characters that follow are the
crankcase serial/sequence number for that year.
CONTROLS AND GAUGES
The starter, key switch, engine-stop switch, throttle control
grip, tachometer (if available), speedometer, oil pressure
gauge, voltmeter, and fuel gauge are discussed in detail in
the motorcycle owner’s manual.
ENRICHMENT DEVICE
The carburetor uses a mixture enrichment device instead of a
choke, but it is operated in a similar manner. During starting
and operation before the engine is warmed up, the lever located
on the upper side of the air cleaner is pulled up. When the
engine is sufficiently warm, as described in the OPERATION
section, the enrichment device lever is pushed down.
PETCOCK
The petcock is located under the fuel tank as described in
the motorcycle owner’s manual. On some motorcycles, the
petcock operates automatically. On others, manual
operation is required.
WARNING/CAUTION - Motorcycles with manual-
operated petcock: petcock should always be closed
when engine is not running to prevent accidental
overflow of gasoline and possible fire hazard or damage
to engine.
Further information about the petcock may be found in the
motorcycle owner’s manual.
OPERATION
ENGINE SPEED AND LOAD
CAUTION - Do not run engine above 2,500 RPM with
clutch disengaged or transmission in neutral.
Exceeding 6,500 RPM under any circumstances may
damage the engine.
An engine run long distances at high speed or under heavy
load may overheat. Oil and spark plugs should be inspected
more frequently when the engine is subjected to extreme
temperatures.
IDLE SPEED
CAUTION - Do not idle engine more than five minutes
with motorcycle standing still. Overheating may result.
Normal warm idle speed is 900 RPM. When the enrichment
device lever is pulled up with a cold engine, the idle will be
higher.
OIL PRESSURE
Engine oil pressure varies from 5 psi (.34 bar) at idle to 12-15
psi (.83-1bar) at 50 mph (80 kph) when the engine is at normal
operating temperature.
ALTITUDE
The factory engine calibration was performed at an altitude
of 800 feet (250 meters) (Viola, Wisconsin USA). The engine
should operate correctly between sea level and 2,000 feet
(600 meters) without further adjustment.
BREAK-IN
During the first 500 miles (800 kilometers) of operation,
critical parts are “breaking-in” against each other. For this
reason:
1.
Avoid excessive heat build-up. Do not allow engine
to idle for long periods of time.
2.
Keep the outside of the engine clean.
3.
Do not subject engine to unusual stress or load as
with sidecar or trailer.
4.
Avoid hard acceleration until the engine is warmed
up. Do not lug the engine. Vary the engine speed;
avoid maintaining a steady speed for long distances.
5.
First 50 Miles (80 Kilometers) - Without lugging the
motor, do not exceed 50 mph (80 kph). Keep the
engine speed below 2,500 RPM. Change the oil
and filter at 50 miles (80 kiliometers).
6.
Up to 500 Miles ( 800 Kilometers) - Do not exceed
65 mph (105 kph). Keep the engine speed below
3,000 RPM. Change the oil and filter at 500 miles
(800 kilometers).
7.
Up to 2,500 Miles (4000 Kilometers) - Keep the
engine speed below 3,500 RPM.
*W1234*
* - Leading Star
W - Year Code
1996
W
1997
X
1998
Y
1999
Z
2000
A
2001
B
1234
-
Crankcase Sequence Number for that Year.
* -
Trailing Star