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本期问题: 天虹TH90型摩托车维修常识 一、天虹TH90型摩托车采用风冷____冲程____置凸轮轴和____置气门式。 二、进气门与排气门间隙是____的,为____毫米。 三、调整气门间隙时,需拆下____曲轴箱盖、气缸盖____盖和____盖,按____时针旋转磁电机飞轮,使飞轮____标记与左曲轴箱上的标记对准,以确定活塞处于压缩行程____止点位置。此时,凸轮轴链轮上的____标记,应与气缸盖的标记对准。
Current issue: Texhong TH90 motorcycle maintenance common sense One, Texhong TH90 motorcycle with air-cooled ____ stroke ____ set camshaft and ____ valve. Second, the intake valve and exhaust valve clearance is ____, for ____ mm. Third, adjust the valve clearance, you need to remove the ____ crankcase cover, cylinder cover ____ cover and ____ cover, press ____ clockwise rotation magneto flywheel, the flywheel ____ mark on the left crankcase Of the mark alignment, to determine the piston in the compression stroke ____ stop position. At this point, the ____ mark on the camshaft sprocket should be aligned with the mark on the cylinder head.