Tak­ing shape

Classic Trial - - SPORT KIA TWINSHOCK CHAMPIONSHIP - Words: Steven Crane • Pic­tures: Gil­lian Mcaveety – Matthew Welch

As we pass the half­way house in the 2017 Kia Twin­shock Se­ries Cham­pi­onship, the var­i­ous cham­pi­onships on both routes are be­gin­ning to take shape. The lat­est round had the rid­ers vis­it­ing Here­ford and the Platch Farm venue at Ewyas Harold. With an en­try of one hun­dred rid­ers the se­lec­tion of ter­rain, which in­cluded ev­ery­thing imag­in­able, pro­duced two very good rides on the Ex­pert route. The or­gan­is­ing club had Dan San­ders fly­ing the club flag who parted with just a soli­tary mark on sec­tion one, his only marks of the day. In a two-stroke ver­sus four-stroke bat­tle Andy Hip­well pushed him all the way on his Honda, fin­ish­ing on two marks lost. On the Club­man route Steve Robson main­tained his 100% win­ning record in all the rounds he has con­tested on his Fan­tic, los­ing just three marks in the process. His near­est chal­lenger, al­beit in the Brit­shock class, was Jim Pick­er­ing who parted with seven marks lost on his BSA Ban­tam.

With the cham­pi­onship at­tract­ing strong en­tries in each of the classes we thought it was time to re­mind ev­ery­one of the en­try re­stric­tions for the ma­chines’ el­i­gi­bil­ity.

Class 1

Open to all air cooled monoshock and any air cooled monoshock tri­als mo­tor­cy­cles that have been con­verted to a twin­shock. El­i­gi­bil­ity – the mo­tor­cy­cles should main­tain the orig­i­nal sil­hou­ette as the date of man­u­fac­ture.

Ac­cept­able mod­i­fi­ca­tions are: The op­tion to run tube­less tyres, to make mi­nor mod­i­fi­ca­tions to the frame and a choice of car­bu­ret­tors. Un­ac­cept­able mod­i­fi­ca­tions: Disc brake con­ver­sions, un­less al­ready fit­ted. Fork stan­chions must not ex­ceed 36mm.

Class 2

Open to all Span­ish man­u­fac­tured twin­shock tri­als ma­chines for any year. New from 2015: stan­dard Pre-78 twin­shocks are now el­i­gi­ble in this class. Suit­able ma­chines in­clude: Beamish Suzuki, Yamaha TY175 and Honda TL se­ries. These bikes must be com­pletely stan­dard as per orig­i­nal sil­hou­ette oth­er­wise en­ter class three. The ob­ject of this class is to keep the cost of com­pet­ing to a min­i­mum whilst main­tain­ing a highly com­pet­i­tive se­ries. El­i­gi­bil­ity – the mo­tor­cy­cles should main­tain the orig­i­nal sil­hou­ette as the date of man­u­fac­ture. Ac­cept­able mod­i­fi­ca­tions are: The op­tion to run tube­less tyres, to make mi­nor mod­i­fi­ca­tions to the frame, and a choice of car­bu­ret­tors; cy­cle parts can be changed as long as they are from the same pe­riod and from other Span­ish mo­tor­cy­cles. Shock ab­sorber and sus­pen­sion move­ment should be sim­i­lar to the orig­i­nal spec­i­fi­ca­tion. Steer­ing head an­gle can be moved and the swing­ing arm length­ened. The po­si­tion of the footrest can also be moved. Un­ac­cept­able mod­i­fi­ca­tions: Disc brake con­ver­sions. Fork stan­chions must not ex­ceed 35mm.

Class 3

This is open to all twin­shock tri­als ma­chines and highly mod­i­fied Span­ish twin­shocks. Whilst the in­ten­tion is to try to keep to as orig­i­nal ma­chine sil­hou­ette as pos­si­ble more mod­i­fi­ca­tions will be al­lowed. Ac­cept­able mod­i­fi­ca­tions are: The op­tion to run tube­less tyres, to make mi­nor mod­i­fi­ca­tions to the frame and a choice of car­bu­ret­tors; cy­cle parts can be changed as long as they are from the same pe­riod. Un­ac­cept­able mod­i­fi­ca­tions: Mod­i­fied monoshock tri­als ma­chines con­verted to twin­shocks, air cooled monoshock en­gines and disc brake con­ver­sions. Fork stan­chions must not ex­ceed 36mm. Note SWM jum­bos fit­ted with the orig­i­nal 38mm forks are ac­cept­able.

Class 4

This class is open to Bri­tish Pre-72 ma­chines. Ac­cept­able mod­i­fi­ca­tions: The op­tion to run tube­less tyres and to make mi­nor mod­i­fi­ca­tions to the frame and a choice of car­bu­ret­tors; cy­cle parts can be changed as long they are from the same pe­riod.

• Please visit the ex­cel­lent web­site: www.twin­shockcham­pi­onship.org.uk for more in­for­ma­tion of events, venues and classes.

Robert Faulkner (Yamaha)

Gary Fleck­ney (Honda)

Gavin An­drews (BSA)

Gra­ham Greaves (BSA)

Peter Edwards (BSA)

Nick Box­all (Fan­tic)

Stephen Han­cox (Tri­umph)

Dan San­ders (Yamaha)

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