Service manual

CARBURETOR REMOVAL
(_ Carburetor top _ Pilot jet 1. Remove:
Gasket _ Needle jet • Covers and footrest board
Throttlevalvespring _ Needlevalve Referto" COVERS"in CHAPTER3.
Needle set _ Main jet ° Air filter case assembly
® Throttle valve _ Float pin
® Starter plunger spring _ Float
Starter plunger _ Float chamber gasket
Air screw @ Float chamber
Throttle stop screw _ Drain screw
I.D. mark PHBN12HS _'_, _(_ 2. Disconnect:
Main jet (M.J.) # 93 ,=_fT'_:_ i \_____-k._) j • Fuel hose (_)
Main air jet (M.A.J.) 2.0 _ J • Oil hose (_)
Jet needle (J.N.) A21-3/5 _ 3. Remove:
Needle jet (N.J.) 2.110 • Carburetor top
% 0ElL LO_O Cutaway (C.A.) 4.0Pilot jet (P.J.) # 36 _ ° Throttle valve
Bypass (B.P.1) 0.8 ___322_ -Starter plunger top
Pilot air screw (A,S.) 1-5/8 _+1/4out • Starter plunger
Valve seat size (V.S.) 1.2
___ Starter jet (G.S.1) #40 -- • Carburetor
Float height (F.H.) 15 ~ 17 mm
%_ Fuel height (F.L.) 20,5 ~ 22,5 turn
(___ (0'59 ~ 0"67 in) _ DISASSEMBLY
_ (0.80~0.88in) _ 1. Remove:
(_) -_._ Engine idle speed 1800 +-200 rpm _ • Float chamber (_)
322007
_____ __._ 2. Remove:
1 ,Nooo,ev ,ve®
,eove:
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• Main jet (_)
- Main nozzle (_)
__P _ : oStarter jet (_)
322034 322027
5-1 5-2