Buell 2006LIGHTNING MODELS, Service Manual, Page: 80 / 638

1-12 2006 Buell Lightning: Maintenance
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ENGINE LUBRICATION SYSTEM 1.5
GENERAL
Check engine oil level (hot check) at every refueling stop.
Change engine oil and filter when storing or removing the
motorcycle for the season or an extended period of time.
NOTE
The colder the weather, the shorter the recommended oil
change interval. A vehicle used only for short runs in cold
weather must have the engine oil drained more frequently.
CHECKING ENGINE
OIL LEVEL
An accurate engine oil level reading can only be obtained
with the engine at normal operating temperature (hot check).
The engine will require a longer warm up period in colder
temperatures.
For pre-ride inspection, simply verify that there are no oil
leaks from the oil filter and oil lines prior to operating the
motorcycle.
● Perform a hot check of the engine oil level at each fuel
stop.
CAUTION
Do NOT operate the engine when the oil level is below
the add mark on the dipstick at operating temperature.
Engine damage will result. (00187a)
CAUTION
Do not overfill oil tank. Doing so can result in oil carry-
over to the air cleaner leading to equipment damage and/
or equipment malfunction. (00190a)
CAUTION
Do not switch lubricant brands indiscriminately because
some lubricants interact chemically when mixed. Use of
inferior lubricants can damage the engine. (00184a)
Ride motorcycle for approximately 10 minutes to ensure the
oil is hot and the engine is at normal operating temperature.
1. The motorcycle must be on level ground, on the side-
stand, with the engine off.
2. See Figure 1-3. Unscrew and remove dipstick from oil
tank/swingarm filler hole. Wipe dipstick clean.
3. Insert dipstick into oil tank filler hole, screwing dipstick in
completely. DO NOT OVER TIGHTEN.
NOTE
The area between the upper and lower registration marks is
the operating range.
4. See Figure 1-5. Unscrew and remove dipstick and note
oil level.
a. Oil level should be within the operating range
(between upper and lower registration marks) on
dipstick.
b. If oil level is below lower registration mark, add only
enough oil to bring oil level between lower and upper
registration marks.
Figure 1-3. Dipstick Location/Engine Oil Level
11500
Operating Range
11140