Motorcycle manufacturers have recognized that highly friction modified passenger car oils can be deleterious to clutch performance, leading to clutch slippage. To address this issue, a JASO specification for four-stroke motorcycle oils was developed in 1999, categorizing oils into high friction oils termed JASO MA and low friction oils termed JASO MB. The high friction oils were preferred for most motorcycles where the engine oil also lubricates the clutch and gears. New motorcycle transmission technologies have increased the number of dry clutch applications which has led to an increased demand for JASO MB oils to improve fuel efficiency. While JASO MB oils contain friction modifiers to improve initial fuel economy, the motorcycle specifications have not addressed the fuel economy durability of motorcycle oils. This paper will investigate the fuel economy durability of JASO MB quality oil in various ways in order to determine if the fuel economy benefit is maintained throughout the time the oil spends in the engine.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Fuel Economy Durability - A Concept to be Considered for Motorcycle Oils




    Publication date :

    2011


    Size :

    6 pages




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Highly Efficient Lubricant for Sport Motorcycle Application - Fuel Economy and Durability Testing

    Newman, Cliff / Zoli, Gianluigi / Turner, May et al. | SAE Technical Papers | 2013


    Improving Fuel Efficiency of Motorcycle Oils

    Michlberger, Alex / Gajanayake, Ananda / Dohner, Brent et al. | SAE Technical Papers | 2013


    Durability Assessments of Motorcycle Handlebars

    Chang, Chih-Huang / Fung, Chin-Ping / Hwang, Jiun-Ren et al. | SAE Technical Papers | 2005


    Durability assessments of motorcycle handlebars

    Lin,K. / Chang,J. / Hwang,J. et al. | Automotive engineering | 2005


    Developing Efficient Motorcycle Oils

    Chamberlain, Jack / Hanthorn, Jason / Telang, Kapil et al. | SAE Technical Papers | 2018