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

Event
Small Engine Technology Conference & Exposition
Authors Abstract
Content
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.
Meta TagsDetails
DOI
https://doi.org/10.4271/2011-32-0545
Pages
6
Citation
Dohner, B., Michlberger, A., Szappanos, G., and Gajanayake, A., "Fuel Economy Durability - A Concept to be Considered for Motorcycle Oils," SAE Int. J. Fuels Lubr. 5(1):523-528, 2012, https://doi.org/10.4271/2011-32-0545.
Additional Details
Publisher
Published
Nov 8, 2011
Product Code
2011-32-0545
Content Type
Journal Article
Language
English