Well, its 10:30 and I've installed the Leo Vince SBK Evo II, twice. It was very simple to get one the first time...then since the unit shipped with 2 inner cores/baffles. I thought I install the spark arrester version as it defaults with the non-spark arrester.
observation - I think that the team at LV must have used their brains as the spark arrester tube is a larger diameter to the non-spark (ie no mesh over the entrance to the core tube). I'm presuming that with the mesh, there is a slighly reduce flow therefore more diameter is required to compensate...yes?
Getting the installed unit out was a pain the arse, as it looks like it didn't get assembled perfectly - the M5 bolt had no thread left, and the core was on angle and somewhat jammed - !@#$ so I thought - relax come back after dinner, take it off properly, smack it gently with a wooden drift, which meant taking of the jammed in header-pipe, in a vice, more wood, more 'persuading'...after an 30 - 60 minutes...it was out, spark arrester in and back on the bike. Too late to fire up the bike with this core in, but since I did a quick test with the original core....I wasn't too worried but all I can say is WOW - thats different.
The OEM nuclear reactor is, as we know , really quiet...the LV with the supposedly quiet inserts is far louder...much louder than I was expecting BUT thats because the original makes the bike sound like a sewing machine. I think it sounds more like my old XR 650, or more like a dirt bike now. So no more speedy stealth...cops are going to hear this machine when the bike is on song...it really sounds great - however early days yet
All forums and documentation state, that this is a direct swap and no messing with the FI, maps...etc BUT I am going to put it on the dyno and check the Fuel/Air. I'll report back with that later. Also LV sell a handlebar switch extender so that you can change modes, so if a map was required...I think that overwrites any settings from then on.
Later

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