3-11
Service and Maintenance
(1) TUBE DRAIN PLUG
Crankcase Breather
The bottom of the air box serves as an oil catch tank
to trap oil bled from the crankcase through the
breather tube.
Before starting, remove the drain plug to drain oil
from the air box into a proper container.
After draining, be sure to install the drain plug
securely.
(1) OIL FILLER CAP
6. Install the oil filler cap.
7. Secure the oil filler cap and drain plug with lock
wire.
(1)
(1)
(1) RADIATOR
(2) OVERFLOW TUBE
Coolant
Cooling System Inspection
1. Check the cooling system for leaks.
2. Check water hoses for cracks, deterioration, and
clamp bands for looseness.
3. Check the radiator mount for looseness.
4. Make sure the overflow tube is connected and not
clogged.
5. Check radiator fins for obstructions or damage.
(1)
(2)
Summary of Contents for NSF250R 2012
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