Engine Description; Power Transmission System; Engine Removal - Honda C50 Shop Manual

c.
=
- :::::: ··o ~ he engine
::e o clea n overall
-~ee·;-e:::-·-ew:
C5 ., C65, C65M,S65ond
:.:: ·:: e ·:: e- c ::: ·-e ooove co nsideration into
==-=---::-::- ::
::::ee- ::esigned a fter extensive research
- - ::ee- exoe ceo ·o meet t hese cond itions. The
: - C. s-;'S·er. .,h;ch affords the most advantageous valve
s
been incorpo rated to provide for a high
e::- e=·c·ency combust ion chamber design. The light ·
e ;:·- e'1dless cha in enclosed in the left side of the
e-;:--e
is used for the direct driving of the
O.H.C.;
:: :x:-::::er lype cam chain tensioner prevents the chain
=-::-
,~
·oping o r vibrati ng, providing a quiet engi ne
: ::e·c··o~
at high speed.
A
compact and a rugged
e-;:·: e vhich is easy to maintain and having a high
:: e-= o-~onc e
has been developed.
= •·
er, th e crankshaft is built to withstand heavy
::-::::: o
d high speed ; t he transmission shaft bearing
::es·;:~.
and the dual centrifugal and screen filters give
--e e ngine durability and provide extended service
::: .·.ell as stability at high speed.
., cont rast to the push rod engine, the new engine
- ::: for fewer reciprocating pa rts, to eli minate the
s;::_·ce of engine noise and make possi ble a smooth
::::e·o ing engine for high speed and greater output .
POWER TRANSMISSION SYSTEM
The en ergy from the combustion· of the fuel mix-
-- ·e is transmitted to the piston --+ connecting rod--+
::·n-kshaft-+c lutch (drive platesl-+clutch outer-+friction
:::·sc --+ clutch center--+ primary drive gear--+ primary
:::·i.en geor-+transmission main shaft-+main shaft gear-+
::::::: ., er sha ft gear-+counter shaft-+ drive sprocket-+
::-a·.,--+ to the rear whee l, progressively in that
:eq
e ce . (Fig .
3- 3)
E G INE REMOVAL INSTALLATION
e m oval
loosen the 6mm cap nuts fr o m the air cleaner
co er and r emo v e the air cleaner. !C50, C50M,
C65, C65Ml
e~ove
fron t cover
;:e-.,o ve the muffler
- ig.
3-4)
::e-ove s ep bar
::e-o e tool box
:: ::e-o e oil p ipe s A and B. ;, IS 50, S65) (Fig. 3- 5)
G l
-
, ..
77
31
ole '
r..erals ·
ca e mber of gear Ieeth.
Dri
en
sproc'
e
·or
C50. CSO : 3 9 T
n •
C65.C6 5, :4 1T
II II
S5 0 : 42T
II II
S65 : 43 T
)indicates gear teeth on C50,C50M,C65,C65M.
Fi gu re 3- 3. Power t ransmission diagram
Figure 3-4. Removing muffle r
B
Fi gure 3- 5. Remo ving o il pipes