Thanks David,
do you think this is a c/d/e model,what year would you guess?

heres a photo of exhaust not sure whether repaired or modified at some time.

thanks

Let the resto begin,this is the bike i was trying to get a model and year on.
Not sure to original restore or customise.

Thanks David,
i will have a good look at it and post some pictures.
yes i want to bring it back to original,thanks for the information

Hi, Everyone
i have always had a interest in twin shock trials and have decided after visiting Denman club last week i am going for it.
i have picked up a Ty 175 needs a bit of a tidy up to start,however i have done some research and cant identify exact model only 77 onwards.engine and frame match ...