It doesn't sound too far off power wise. Dyno to dyno readings can vary by several hp so anywhere near 60 is OK.

145 seems quiite small, it's just two sizes up on std and you've gained nearly 50% more bhp!
Be very careful here, you could well be lean, it's not rich for sure, it would be totally rideable with the std card, pipes and airbox lid back on, most HRC carded '28's end up so rich they are unusable on the std card.
I'd definately get hold of some mains (at least) a couple of sizes bigger and see if it's better or worse on them.

I run the HRC jet kit (so no powerjets) but if my maths is up to scratch to get a similar fueling with the powerjets back in I'd be running around 170's. Maybe a bit leaner as you really shouldn't just add jet area sizes togeather like I have done but that's where I'd start.

Next logical mod is to at least try and borrow some known pipes to find out how good yours are (or are not) and get either a decent selection of main jets or go for the whole the HRC jet kit setup and see what works best. To get 60+bhp requires some fine tuning.
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