Us e a separat e con - taine r t o mi x th e fue l an d oil.Recommende d spár k pIu g i s Champió n DJ7 Y o r équiv - alen t fó r al I models.Spar k plu g elec - trod e ga p i s 0.02 5 in.Not e tha t spar k plu g ha s a ta - pere d sea t an d doe s no t requir e a gas - ket.
Tighte n spar k plu g t o 15 0 in.-lbs. N.m). CARBURET0 R AZamaClQM2 7 diaphrag m type carbureto r i s use d o n al l models. Refe r t o CARBURETO R SERVIC E sectio n fo r overhau l proce - dure s an d explode d view s o f Zam a car - buretors. Initia l á4justmen t fó r bót h th e Iow - spee d án d high-spée d mixtur é scréw s i s on é tur n opé n from á lightl y séate d po - sitión. Mak e final adjustmen t wit h en - gin e war m an d running. Adjus t idl e spee d scre w s o engin e idle s jus t belo w clutc h engagemen t speed. ![]() Engin e shoul d acceler - at e cleanl y withou t hesitation. I f én - gin e stumbIe s ó r seem s sIuggis h whé n accelerating, ádjus t low-spée d mixtur e scré w unti I engin e acceIerate s cleanly. Readjus t idl e spee d scre w i f necessar y t o obtai n recommende d idl e spee d o f 2800-330 0 rpm. ![]() D o no t adjus t high-spee d mixtur e scre w to o lea n (turne d to o fa r clockwise ) a s maximu m permissibl e engin e spee d ma y b e exceede d an d engin e ma y b e damage d from lac k o f lubricatio n an d overheating. Maximu m no-loa d spee d (wit h ba r an d chai n installed ) mus t no t excee d 11,00 0 rpm. MC130), remov e th e ai r filter cove r (1 ) an d filter element. Remov e th e tw o screw s securin g th e filter bas e (3 ) an d carburetor. Remov e th e filter bas e an d carburetor, an d disconnec t fue l lin e an d throttl e link. Tighte n carbureto r mountin g screw s t o 30-4 0 in.-lbs. N-m). IGNITION. Al l engine s ar e equippe d wit h a n electroni c ignitio n system. Th e ignitió n coi I an d eIectroni c circuitr y ar e containé d i n a one-piec é ignitio n moduI e (10Fig. I f ai r ga p i s excessive, en - gin e ma y bi e har d t o star t o r ma y no t start. ![]() Recommende d fiiehoiI rati ó i s 40: 1 whe n usin g McCulloc h 2-cycl e oil. I f McCulloc h oi l i s no t used, a goo d grad e oi l designe d fo r us e i n air-cooled, two-strok e engine s shoul d b e mixe d a t a 20: 1 ratio.
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