my bullet was an indian home-market 350 built 1992 (some of the worst years appartently).
i ran it for 3 years on unleaded and did the tappets once (when i had the head off for a rebore).
i nailed it from ever set of lights but never revved it particularly high, and it ran perfectly.
i needed a tow once when it kept oiling the plug before the rebore, my fault as i should have done the work instead of just riding it- not bad in three years.
they are absolutely brilliant and far better than most british bikes (cheap, oil tight, cush drive, semi-unit, oil filter as standard- to name just a few advantages).
don't expect it to be quick or low maintenance. they need minor fiddling every couple of weeks, but you will be rewarded with a bike that makes you smile- a lot.
i did have a 650ss Norton as well, but given the choice i'd rather have my bullet back. sadly i sold it then realised how much i liked it and now can't afford another.
one of the best bits is leaving it ticking over like a narrow boat, it sounded glorious and gently rocked the front wheel. brilliant.
bullet350