Now that Splash07 has given Routy his much feared gas-oil filled sump, can we now recommend installing a Raptor as a pre-emptive performance/safety strike?  

Based on removing all sorts of confusing mixed "trouble" signals and also on preserving one's tender parts from a bad case of gas rash?

Heaven forbid adding a road spark from a tossed rock or a backfire  (and we know the Savage NEVER backfires, right?)



Now this bike looks more like a gas-oil overfilled sump exploding out the rubber huff tube from internal crank churn pressure, or else the gas-oil mix got too hot and hit a gas vapor flash point and boiled up making a big big pressure spike that blew the oil cooler line open .....  and being a modern bike it very likely had a stock vac petcock on it with a vac tube and all.   Notice it didn't blow the engine because it kept on running while it burned.  Luckily the rider wasn't on board at the time or he'd have been seated front row center at a real weenie roast.    Note in the later shots how the rubber huff tube/oil cooler hose is still dribbling fire .....   (hey, dorks like this really shouldn't be allowed to own a motorcycle)

And remember, don't knock the bike over whatever the bleep you do or the main mass of oil-gas will spill out and make the fire much much worse.

I have to agree with the sentiment that the vacuum petcock is a poor execution of a noble idea.  I personally think the likelihood of dumping fuel into your crankcase is greater with the vacuum petcock because it can occur straight through the vacuum line while the engine is running, as well as when it's shut off.  I have the Raptor installed and usually remember to turn it off.  Even when I forget, my float valve usually keeps me from having any mess.  The one time fuel got past both, it came out of my carb's vent tubes and did not flow to the engine.  I should point out that I use an Amal Mk2 carb instead of the stock Mikuni and that I loop the vent tubes up and then point them back down (I bought longer tubing) instead of tucking them into the frame.  In short, I got a small puddle of fuel that alerted me to my sticking float and that I'd forgotten to shut off my petcock.