Cylindre 88cc pour vous, bien que ce ne soit pas un élément à verrouiller pour la plupart des motos QMB 139. La plupart du temps, les carters moteurs doivent être coupés. Commandez le numéro de pièce 1400-1001, Outil d'alésage de moteur s'il n'y a pas d'accès à un atelier d'usinage. Il est également recommandé d’obtenir le numéro de référence 1100-1239, ainsi que la tête de soupape de 50 mm, car certaines têtes de série ne seront pas compatibles. Jetez un coup d’œil à notre ensemble de tube de décompression qui remplace votre jauge et permet de relâcher une pression excessive dans le carter. Bonne idée d’installer l’un de ceux-ci à côté d’une mise à niveau du kit de cylindre.
Then this 88cc big bore kit for you, although its not a bolt on item for most QMB 139 bikes. Most of the time, engine cases must be cut. Order part number 1400-1001, Engine Bore Tool if there is no access to a machine shop. Its also recommended to get part number 1100-1239, 50mm big valve head as well, as some stock heads will not fit. Have a look at our Decompression Tube Assembly which replaces your dipstick and allows excess crank case pressure to be released. Good idea to install one of these alongside any cylinder kit upgrade.
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