Honda Crf 250 M Manual

Servicing Your Honda17
Servicing Your Honda
Keeping your CRF well maintained is absolutely
essential to your safety.  It’s also a good way to
protect your investment, get maximum
performance, avoid breakdowns, and have more
fun.  
To help keep your CRF in good shape, this
section includes a Maintenance Schedule for
required servicing and step-by-step instructions
for specific maintenance tasks.  You’ll also find
important safety precautions, information on oils,
and tips for keeping your Honda looking...

18Servicing Your Honda
WARNING
Improperly maintaining this motorcycle or
failing to correct a problem before you
ride can cause a crash in which you can
be seriously hurt or killed.  
Always follow the inspection and 
maintenance recommendations and
schedules in this owner’s manual.  
The Importance of Maintenance
Keeping your CRF well-maintained is absolutely
essential to your safety.  It’s also a good way to
get maximum performance during each moto.
Careful pre-ride inspections and good
maintenance are...

Servicing Your Honda19
Maintenance Safety
This section includes instructions on how to 
perform some important maintenance tasks.
Some of the most important safety precautions
follow.  However, we cannot warn you of every
conceivable hazard that can arise in performing
maintenance.  Only you can decide whether or
not you should perform a given task.  
Important Safety Precautions
•Make sure the engine is off before you begin
any maintenance or repairs.
This will help eliminate several potential...

20Servicing Your Honda
Maintenance Schedule
To maintain the safety and reliability of your
CRF, regular inspection and service is required as
shown in the Maintenance Schedule that follows.  
The Maintenance Schedule lists items that can be
performed with basic mechanical skills and hand
tools.  Procedures for these items are provided in
this manual.  
The Maintenance Schedule also includes items
that involve more extensive procedures and may
require special training, tools, and equipment.
Therefore, we...

Servicing Your Honda21
Maintenance Schedule
ITEMS 
THROTTLE OPERATION 
HOT START SYSTEM 
AIR FILTER 
CRANKCASE BREATHER 
SPARK PLUG 
RADIATOR COOLANT 
VALVE CLEARANCE / DECOMPRESSOR SYSTEM 
ENGINE OIL 
ENGINE OIL FILTER 
ENGINE IDLE SPEED 
PISTON AND PISTON RINGS 
PISTON PIN 
TRANSMISSION OIL 
COOLING SYSTEM 
DRIVE CHAIN 
DRIVE CHAIN SLIDER 
DRIVE CHAIN ROLLER 
DRIVE SPROCKET 
DRIVEN SPROCKET 
BRAKE FLUID 
BRAKE PADS WEAR 
BRAKE SYSTEM 
CLUTCH SYSTEM 
CONTROL CABLES 
EXHAUST PIPE/MUFFLER 
SUSPENSION...

22Servicing Your Honda
General Competition Maintenance
Perform maintenance on firm, level ground using
the optional workstand, or equivalent 
support.
When tightening bolts, nuts or screws, start with
the larger diameter or inner fasteners, and tighten
them to the specified torque using a crisscross
pattern.
Use genuine Honda parts or their equivalent
when servicing your CRF.
Clean parts in non-flammable (high flash point)
cleaning solvent (such as kerosene) when 
disassembling. Lubricate any sliding...

Servicing Your Honda23
Spark Plug  
Some non-resistor plugs may cause ignition problems.  Refer 
to the recommendations elsewhere in this manual for specific 
types so you will be sure to use the proper reach and heat 
range.  Replace periodically as specified in the Maintenance 
Schedule. (page 20).  
Engine Oil and Filter 
Drain and replace engine oil often to ensure the greatest 
service life of the piston, cylinder and crankshaft.
Also replace engine oil filter often to ensure the greatest 
service...

24Servicing Your Honda
General Competition Maintenance
Handgrips
Always use Honda Hand Grip Cement (U.S.A only) or 
Honda Bond A when replacing handgrips.
Throttle Grip
Align the index mark on the throttle grip with the edge of the 
throttle cable guide. Left handlebar grip: Align the “∆” mark 
on the left handlebar grip with the punch mark on the 
handlebar. 
Refer to the Service Manual for installation 
instructions.
For added security, you may choose to safety wire the hand 
grips to the handlebar and...

Suspension Linkage Lubrication
Disassemble, clean, inspect and lubricate all pivot bearings 
after each 7.5 hours of running time in order to maintain 
proper suspension performance and minimize component 
wear.  Use Honda Moly 60 paste (U.S.A. only) or 
molybdenum disulfide paste (containing more than 40% 
molybdenum disulfide additive). 
Swingarm Pivot Lubrication
Clean, inspect and lubricate when servicing suspension 
linkage pivots.  Be sure all of the suspension pivot seals are 
in good condition....

26Servicing Your Honda
Before & After Competition Maintenance
Between Motos & Practice Maintenance
After practice or between motos you have a
chance to make additional checks and 
adjustments.  
•Clean accumulated dirt from under the 
fenders and off the wheels, suspension 
components, hand grips, controls, and 
footpegs.  A stiff, nylon parts cleaning brush
works well.  
•Check tire air pressure.  
•
Check spoke tension and rim lock nut security.
•Check sprocket bolt and nut security. 
•Clean the sides...