Small Off-Road Engines - Test Procedures

This page last reviewed December 17, 2015

The following links provide direct access to the test procedures associated with Small Off-Road
Engines (SORE).

Date Amended/Approved Primary Subject MatterDescription
July 26, 2004Test Procedure TP-901Test procedure to determine fuel tank permeation emissions from small off-road engine fuel tanks
July 26, 2004Test Procedure TP-902Test procedure to determine evaporative emissions from small off-road engines
January 2006, 2006Alternative Test Procedure ATP-01Approved alternative test procedures for small off-road engines

Honda Alternative TP-901
Honda Alternative TP-902

October 25, 2012SORE Exhaust Test ProceduresTest procedure to determine exhaust emissions from off-highway recreational vehicles