The ACU’s Trials and Enduro Committee have now finalised the class structure for the 2017 ACU Classic Trial Championship, formerly known as the Sammy Miller Championship.
Applications to run an event in this series are still required and the format has been decided following analysis of responses that the committee have sought over recent weeks.
The committee wished to refresh the classes and structure of this year’s Sammy Miller series which for 2017 will be known as the ACU Classic Trial Championship.
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The route can be off road or on road but must be of a maximum of two laps and should contain at least 36 sections in total and a route in excess of three miles per lap.
ELIGIBILITY CRITERIA
Please make sure your machine is suitable for the class you have entered and it is in keeping with the spirit of the event.
Engine and gearbox must be original or of the same type manufactured for the appropriate class.
Replica frames or small changes are allowed and must be suitable for the class and a period silhouette of those used at the time.
Drum brakes only, pattern or original for period
Forks must look like the correct period and can have any internals,
Maximum fork size 35mm (apart from SWM jumbo with original forks fitted)
British carburetors (not mark 2 Amal) for British classes
ROUTE 1 HARDEST ROUTE
CLASS 1
BRITISH PRE 72 - OVER 300 cc
CLASS 2
BRITISH PRE 72 - UNDER 300 cc
CLASS 3
PRE 85 AIR COOLED TWINSHOCK (Japanese and Italian manufacture)
CLASS 4
PRE 85 AIR COOLED TWINSHOCK (Spanish and British manufacture)
ROUTE 2 STANDARD ROUTE
CLASS 5
BRITISH PRE 72 - PRE-UNIT CONSTRUCTION
CLASS 6
BRITISH PRE 72 - UNIT CONSTRUCTION
CLASS 7
BRITISH PRE 72 - TWO STROKE
CLASS 8
BRITISH PRE 72 - TWINS
CLASS 9
BRITISH PRE 72 - RIGID
CLASS 10
PRE 85 - AIR COOLED TWINSHOCK
ROUTE 3
Section to be simple begins and ends gates with limited intermediate gates at organiser’s discretion. Organisers may miss up to 10 sections for this class where the terrain is considered unsuitable.
CLASS 11 - VETERANS CLASS
Riders over 60, Machines to be eligible for the other classes
CLASS 12 - SIDECARS Machines as eligible for the other classes
Any Clubs wishing to run a round of the 2017 ACU Classic Trial Championship should contact Stephanie Thorne via email at
Stephanie@acu.org.uk or by phone on 01788 566409