ACU Youth Classes for 2011 - Trials UK

ACU Youth Classes for 2011

• 8th November 2010
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Youth Riders:

A rider must be at least 4 years of age to participate on a restricted Electric powered machine and 6 years of age to participate in a trial using a combustion engine machine.

They may continue to ride as a Youth until the end of the calendar year that he reaches 17 years of age.

A rider who has reached 16 years but who is eligible as stated above to continue as a Youth may ride either as an Adult or as a Youth and alternate between them unless they choose to compete in the Adult British Solo Trials Championship.

Class E Pre-Cadet Electric class Minimum age – 4 years at the date of the competition and born after 01.01.05

Class D Cadets born between 01.01.2002 and 31.12.04

Class C Juniors born between 01.01.99 and 31.12.01

Class B Inters born between 01.01.96 and 31.12.98

Class A Seniors born between 01.01.94 and 31.12.95

ENGINE CAPACITY CLASSES: The maximum engine capacity permitted for machines used in the age groupsset out in this Regulation are as follows:

CLASS A 125cc

CLASS B 125cc

CLASS C 80cc –Standard Wheels

CLASS C 80cc – Medium Wheels

CLASS D 80 cc & Electric up to 1200 watts -Medium wheels

CLASS D 50 cc Mono /80ccTwinshock & Electric up to 1200 watts –Small wheels

CLASS E Electric powered machines up to 1200 watts*

(*Organisers have the option of splitting the E class by wheel- size classes )

Wheel sizes -

Standard Wheel - 21" Front - 18" Rear

Medium Wheel - 19" Front - 17" Rear

Small Wheel - 16" Front - 14" Rear

Electric machine wheel sizes should not exceed the diameter/circumference of the above dimensions Tyres for E class**

D Class Wheel sizes Small wheel - Max 50cc Mono or 80cc Twinshock (fitted as original equipment)/Electric up to 1200 watts

Wheel size - Max 16" Front 14" Rear

Medium wheel - Max 80cc Mono or 80cc Twinshock (fitted as original equipment)/Electric up to 1200watts

Wheel size - Max 19" Front 17" Rear