tri Zinger.. Not a clue what that is but the principals are the same.
It will be a case of checking and changing
Change Plugs
Check and change HT leads and caps
Check an change Coils
Condensers
If it isnt one of these I would be surprised. However I once had a GS450 which I changed everything as above and it turned out to be a wire that was split! Cost me a bomb and I could have sourced it for nothing!
bb
May 2010