2016 Wka Tech Manual
Wka Technical Manual
CONCORD, NC - TECH MANUAL UPDATE 618.6 PRESSURE / VACUUM TESTING Testing may be performed to insure extra air is not being pulled into the engine for a performance gain. Any means to bypass the intent of the class rules is illegal. Both pressure and vacuum tests may be performed - engine must hold 5 psi for 60 seconds and/or 5 HG of vacuum for 60 seconds. Blowdown checking procedure for Yamaha engines - (601.9 and Figure 606.2) 1 - By a careful visual inspection (light check), identify the highest exhaust port and the highest intake port. 2 - Using the Lad tool, zero the dial indicator on the highest exhaust port, taking care to hold the shaft of the tool against the cylinder wall. 3 - roll the crankshaft backwards five turns (.500' on the dial indicator) 4 - insert the Lad tool into the highest intake port, holding the shaft of the tool against the cylinder wall. 5 - roll the crankshaft forward until the piston stops on the Lad tool and note the value.
2016 Wka Tech Manual
6 - the value must be between.380' and.420' to be considered legal 7 - engine to be checked as raced.
WKA Tech Manual Advertising Available CONCORD, NC- With the 2016 racing season in the final stretch, work has begun on the 2017 version of the World Karting Association Tech Manual, as members of the respective Competition and Tech Committees, as well as Board of Trustees and Office Staff, finalize information on class structure and rules for all national series for the upcoming season. In addition to being a well coveted book by competitors, it is also a perfect place for companies to promote their business and products for an entire year. At present, WKA is accepting ads from sponsors and companies. There are a variety of ad sizes available, from business card size to full page ads. Trilogy accessory guide.
If you would like to advertise in the 2017 edition of the WKA Technical Manual, contact Marie Borsuk at (704) 455-1606, ext 111,. Or you can fax to (704) 455-1609.
Deadline for submitting information will be Friday September 30.