barryb1973 Report post Posted March 26, 2016 are 125cc allowed to run c class in acu events Quote Share this post Link to post Share on other sites
telecat Report post Posted March 26, 2016 Not to My knowledge. Quote Share this post Link to post Share on other sites
twinshockdude Report post Posted March 26, 2016 the limit for c class is 80cc Quote Share this post Link to post Share on other sites
bdmc Report post Posted March 27, 2016 Copied from 2016 ACU Handbook https://www.acu.org.uk/Uploaded/1/Documents/2016%20Handbook/Trials.pdf ENGINE CAPACITY /WHEEL SIZE FOR ABOVE AGE GROUPS: The maximum permitted for machines used in the Age Groups set out in this Regulation are as follows: A Class 125cc Mono or 250cc Twinshock** combustion engine, and Electric up to 10bhp measured at the rear wheel. B Class 125cc Mono or 250cc Twinshock** combustion engine, and Electric up to 10bhp measured at the rear wheel. ** Twinshock machines over 125cc must have twin rear suspension units and drum brakes as at the time of manufacture. C Class 80cc combustion engine, and Electric up to 7bhp measured at the rear wheel. D Class 80cc combustion engine, Maximum Medium wheel. and Electric up to 7bhp measured at the rear wheel. E Class Small wheel Electric powered machines up to 2bhp measured at the rear wheel. The C and D Classes may be split by wheel size. C Class Standard Wheel. Medium Wheel. D Class Medium Wheel. Small Wheel. Quote Share this post Link to post Share on other sites
barryb1973 Report post Posted March 29, 2016 yes i seen that in handbook,reason i asked i noticed in my club results from weekend there was 125cc bikes marked in youth c Quote Share this post Link to post Share on other sites
jersey stew Report post Posted September 12, 2016 So from reading that if my son is 9years old born march 2007, then regardless of ability or size he can only ride up to D class up to 80cc? Quote Share this post Link to post Share on other sites
degzie Report post Posted September 13, 2016 I thought they can be ridden on a no award basis at the Clerk of Course discretion - Although that maybe as in a child at the correct age for a 125cc riding below his class Quote Share this post Link to post Share on other sites