Lubrication System - Honda XR80R Service Manual

4. LUBRICATION SYSTEM
LUBRICATION SYSTEM DIAGRAM 4-0
SERVICE INFORMATION
TROUBLESHOOTING
SERVICE INFORMATION
GENERAL
tlWiJiiihij
4-'
4-'
CYLINDER HeAD Oil CHECK BOLT 4-2
Oil PUMP
4-2
• If the engine must be running
10
do some work. make SUre the area is well ventilated. Never run the engine in an
en~h>Jed
arefl. The 8xhaur.f contains poisonous cerbon monoxide gas that may cause los$ of cQnsciousness end may
lead to death . Rrm the engine in an open area Or with an exhaust
ev. " ualion system
in
an endosed lI'es.
Used engine oil m;ty cause skin canclJf If repeatedly Jeft in contact with the skin for
prolong~
periods. Although this is
unlikely unless you handle used oil on
II
daily basis. it is stilladvisabie to thorOUghly wash your hands with S04IP and
"",tlOr
as
soon as possible after handling used oil. KEEP OUT OF REACH OF CHILDREN.
• "The oil pump can be sel\llted with th e engine i nstalled in the b ame.
• The service proce dur es in t his sect ion must be perfo rmed with the engine oil drain ed.
• Wh en removi ng and installing t he
0,1
pum p. use ca re not to allow dust or d irt to ente r the eng ine.
• If any portion
0 1
t he oil pu m p is worn beyond the specified service li m its . rep lace the oil pump as an assemb ly.
• After t he o il pump has been in sta lled. check t ha t there are no oil leaks.
SPECIFICATIONS
U ni t· m m (i n)
ITEM
STAN DARD
SERVICE LIMIT
Eng ine oil
c~paci ty
XR100R
AI draining
0.9
t
(0.95 us qt. 079 Imp qlf
At disassembl y
1.0
t
(1.06 us qt. O.BB lm p ql)
---
XR80R
AI draining
O .B
i
10.85 us ql . 0.70 Imp qt)
- -
AI disa ssembly 09 i 10.95
us qt. 0 .79 Imp
qt)
---
Recomm ended engine oil
HONDA GN 4 Or
HP4
4·stroke oi l or
equ ivalen t motor oi l
API service classi ficat io n
SF
or
SG
Viscosit y: SAE t O W- 30
Oil pump rolor Tip clearance O .lS (0.006) 0 .20 (O.OOB)
Body cleara nce Cl.15 - 021 (0.006 - Cl.OOB)
OA O (0 .016)
Side clea rance 1).0 2 -
0 .07
(0 .001 -
0.0(3)
0.02510.0 10)
TORQUE VALUES
Oi l drain bolt
Oi l pump plate screw
2S
N'm (25 kgl·m. lB lbl·ft)
3 N' m (0.3 kg /o m. 2lbf.tn
TROUBLESHOOTING
Engi ne oil level
100
low
Normal oil co nsumpt ion
hlernal oil lea k
Worn piston ri ng or i ncorle<:1 pisto n ring installation
Worn va lve guide or sea l
Oil contamination
Ext erna l o il leak
Worn pisto n ring o r
inco rr e~t
piston rin g instal lation
Worn va lve guide or seal
Clogged oil stra i ner screen
Low oil pressure
Oil pump worn or d ama ged
Oil not cha nge of len enough
Oil pump drive sproc ket b ro ken
4-1