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浙江省邮政车辆厂在天津内燃机研究所的帮助下,最近研制成功了一种轻型的邮电专用摩托车——西湖X H50型机踏邮电专用车,并于六月在杭州通过了技术鉴定。西湖XH50型机踏邮电专用车采用单缸、风冷、两冲程、簧片阀吸气的汽化器式发动机,缸径与行程分别为40×39.4毫米,工作容积为49.5毫升,最大输出功率为2.5马力/5500转/分,最大输出扭矩为0.35公斤米/4500转/分。该车采用干式离合器,左手操纵,最高车速可达45公里/小时,经济车速为25～30公里/小时。经济车速下的燃料消耗量不大于1.6公升/百公里。最大爬坡度
With the help of Tianjin Internal Combustion Engine Research Institute, Zhejiang Post Vehicle Factory recently developed a light special post-special motorcyclical for post and telecommunications - West Lake X H50-type post-special-purpose vehicle and passed the technical appraisal in Hangzhou in June. West Lake XH50-type PTO dedicated car using single cylinder, air-cooled, two-stroke, reed valve suction carburetor-type engine, bore and stroke were 40 × 39.4 mm, the working volume of 49.5 ml, the maximum output power of 2.5 horsepower / 5500 rev / min, the maximum output torque of 0.35 kg m / 4500 rev / min. The car uses dry clutches, left hand manipulation, the maximum speed of up to 45 km / h, the economic speed of 25 to 30 km / h. Fuel consumption under economic conditions is not more than 1.6 liters / 100 kilometers. Maximum grade