WKA Tech Manual Updates – 05.21.15

In the on-going effort to correct errors, typo’s, omissions and old obsolete information, please see the following Techbook changes and corrections.

Page 158 — 902.9 DELETE “maximum tire pressure 20 lbs. hot”

Page 109 — Figure 609 — DELETE last line “Vortex-Minirok60” (see new section 624)

Page 105 — Figure 606.3 — maximum cylinder bore — Yamaha = 2.090″

Page 44 — 263.1 — maximum rear circumference = 33.0″

Page 158 — 902.4 — maximum = 32″

Page 108 — 609.6 — add “IAME ignition control boxes and starter relay may be potted in black or blue colored material”

Page 140 – 707.15 Minimum thickness = 0.049″

Page 66 – 406.6 #35 chain is the only acceptable type for 4 stroke classes. No belt drives allowed in 4 stroke classes.

Page 65 – 406.1 No axle clutches allowed in 4 stroke classes

Page 36 – 214.8 under EXHAUST-add: Leopard-minimum combined length of the header and connector pipe must be at least 15 ¾”.

X30- minimum combined length of the header and connector pipe must be at least 16 ¾” – Pipe(s) to be measured on the kart as raced. (see 609.1)

Page 93 – 554.3 at end of paragraph, insert drawing figure 554.3

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