woody Posted October 10, 2020 Report Share Posted October 10, 2020 5 hours ago, Phillip1 said: Thank you for your help Christain. Looks to be 5 or 6 mm clearance there over the clutch studs,so I need to find a 199a case,preferably without the inside boss. Your caseing looks to be a more accurate casting then the earlier 159 case,do they not counter bore the mounting cap heads ? You'll need the specific case bolt for centre bottom of the casing as later casings use that bolt as the oil drain rather than a drain plug Quote Link to comment Share on other sites More sharing options...
vintagenut Posted October 11, 2020 Report Share Posted October 11, 2020 (edited) RE: counter boring for cap screws, the 159 and 199a castings are almost identical, save one screw hole nearest the kickstarter on the 199a cover. That one Bultaco chose to counter bore for some reason. Otherwise, all else appears the same. I will add that if purchasing a black-painted 199a cover, be prepared to spend some time at the polisher if you're after a mirror-like finish. Bultaco did not polish cases before painting! Edited October 11, 2020 by vintagenut Added text and removed photo Quote Link to comment Share on other sites More sharing options...
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