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Post by howard on Jul 1, 2021 19:35:07 GMT 1
What is the base increase for jetting a 385 ypvs , do you just go up 10% to play it safe and do you need to increase the two stroke oil too ?
Once it's run in and teething problems are sorted I'll have it on the dyno but I want to get it running safely for a few hundred miles first.
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horace
Thrash Merchant
Posts: 456
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Post by horace on Jul 2, 2021 7:42:35 GMT 1
I’ve got one of those 392 kits Steve ,done 4/5k on it and never touched oil pump rightly or wrongly ?
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Post by midlifecrisisrd on Jul 2, 2021 8:52:17 GMT 1
My 385 runs standard oil pump
What carbs, airbox and pipes are you using
Steve
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Post by howard on Jul 2, 2021 10:18:30 GMT 1
31k carbs , ignitech, TSA's and V force 4 reeds, from memory I'm on 270 mains , I've just left everything as it was when it was a tuned 350 but I've only covered around 20 miles since.
I went out on it last night and thought that it had nipped up on the A1 doing a steady 60mph, quick loss of power and I pulled the clutch in, limped home and found the choke balance pipe had come off the R/H carb.
Had plugs out , tank and pipes off looked up bores and they still look new thank goodness.
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Post by midlifecrisisrd on Jul 2, 2021 17:00:08 GMT 1
Squeaky bum moment, glad it's ok
I'm on pwk's that most run 135 mains with an airbox. I'm running 140's so 2 up
You should be fine running in on 270's
Steve
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