davet Posted April 30, 2011 Report Share Posted April 30, 2011 Hi to you all my mate has bought a Bultaco 159 sherpa 1978, and would like to know what size front & rear spockets to fit for trials ? any info greatly received Quote Link to comment Share on other sites More sharing options...
davet Posted May 1, 2011 Author Report Share Posted May 1, 2011 Hi to you all my mate has bought a Bultaco 159 sherpa 1978, and would like to know what size front & rear spockets to fit for trials ? any info greatly received With over 100 visits and no reply..Have i got the model wrong ? it is a 1978 Bultaco 250cc blue colour. surely there is someone out there with same bike, what size sprockets ? Is it alright to fit 12 tooth front 42 tooth rear same as modern bikes ? Quote Link to comment Share on other sites More sharing options...
smelling123 Posted May 1, 2011 Report Share Posted May 1, 2011 With over 100 visits and no reply..Have i got the model wrong ? it is a 1978 Bultaco 250cc blue colour. surely there is someone out there with same bike, what size sprockets ? Is it alright to fit 12 tooth front 42 tooth rear same as modern bikes ? Hi, As far as Im aware the 159 is a fair bit older than 1978. My 190 model is a 1978 and runs the standard setup of 11 front 46 back. Seems fine. Hope this help... cheers Quote Link to comment Share on other sites More sharing options...
smelling123 Posted May 1, 2011 Report Share Posted May 1, 2011 With over 100 visits and no reply..Have i got the model wrong ? it is a 1978 Bultaco 250cc blue colour. surely there is someone out there with same bike, what size sprockets ? Is it alright to fit 12 tooth front 42 tooth rear same as modern bikes ? The model number is on the frame and engine. It will be **-190*** if its a 190 for example. Quote Link to comment Share on other sites More sharing options...
davet Posted May 1, 2011 Author Report Share Posted May 1, 2011 The model number is on the frame and engine. It will be **-190*** if its a 190 for example. Thanks for that i will tell my mate to check frame / engine for the model & sprocket sizes cheers Quote Link to comment Share on other sites More sharing options...
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