Honda CRF450R 2009 Service Manual page 127

LUBRICATION SYSTEM
SERVICE INFORMATION
GENERAL
ACAUTION
I
Used engine all may cause skin cancer
if
repea tedly left in contact wi th the skin for prolonged periods. Although this is unlikely
unless you handle used oil on a daily basis,
it
is still advisable to thoroughly wash your hands with soap and water as soon as
y ssible after handling used oil. _ __ _ _
The oil pump and one-way valve service requ ires crankcase separation .
The service procedures in this section must be preformed with Ihe engine oil and transmission oil drained .
When servicing the oil pump, use care not to atlow dust or dirt to enter the engine.
If
any
portion of the oil pump Is worn beyond the specified service limits, replace the oil pump as an assembly.
The pressure relief valve and oil strainer screen can be serviced with the engine installed in the frame.
SPECIFICATIONS
Unit: mm (in)
STANDARD _ _ +-SERVICE
LIMIT
AI draining- - +
C
O.58 1'"ile o :: , -"(0 " .6
iC
,o' i
u s
qt, 0.51 Imp qt)
ITEM
r -
r----engine oil capacity
At oil filter
change 0.62 liter (0.66 US qt, 0.55 Imp qt )
h
~""T,;;;-T'''''''''o;;;;--
__
~A~I~dtis~aSSembJY
O. 77
1i~H1l!fE:;:}~~
=== ==-
Transmission AI draining 'Og - '12 0.59
it
oil capacity After ' 12 __ ..,0".64 liler
(0.68 US " :--~ii-i::::
At disassembly '09 - ' 12 0.67 liter (0.71 US
, - ' , ,-,,=ccc .. '
After ' 12 1 0.72 liter (0.76 US
Pro Honda GN4 it Recommended engine oil
,
Canada) or equivalent motor oil
API service classification: SG or higher
JASO T903 standard: MA
Viscosity: SAE 10W-30
Recommended transmission oil
- - -- Pro Honda GN4 4-stroke oil (U.S.A- . ,--- -
Canada ) or equivalent motor oil
APt service classification: SG or higher
JASO T903 standard: MA
Oil pump
ViscoSitY~ ' ~S~ A~E~ ' 0 ~ W ~-3 ~0~;-;::=:.
Tip clearance 0.15 (0.0,?6)
Body cleara ", "", ce '---,-0 " . 15 - 0.21 (0.006 0.008)
Side clearance 0.15 0.23 (0.006 - 0.010)
TROUBLESHOOTING
Engine oil level too low, high 011 consumption
Engine oil not changed often enough
External oil leaks
• Worn piston rings or incorrect piston ring installation
• Worn valve guide or stem seal
Engine oil contamination
Engine oil or filter not changed often enough
Worn piston rings or incorrect piston ring instatiatlon
Worn valve guide or stem seal
From coolant mixing with oil
- Faulty head gasket
- Water leak in crankcase
_ _ - - ' 0.20 (0.008)
5·3