Re: Injection or Pre mix?
plugger , while I'm somewhat educated as to the function of the VRO and its components ,I'm afraid I can't speak intelligently about the reasons John/Rude would consider the no oil alarm an adequate warning to alert the operator in time before lack of lubrication became an issue.The introduction of the VRO was implimented to allow the engine to run with a more precise mix necessary under varying RPM situations and to create a more user friendly, no oil adding, hastle free design to entice consumers.The no oil warning alarm ,in my opinion,was less thought through on particular models,although needed. I ran my rig for 6 years with it in service and opted to bypass it and mix 50:1.As mentioned above ,if an individual carries out the routine maintenance this system requires to prevent catastrophic failure then he can gain some peace of mind.Fact is,if in the "remote" chance that the oil line was to become suddenly disconnected from the inlet,<br />of the VRO pump,for whatever reason, by the time the alarm sounded no oil,assuming it was working,your engine would be toast.From the years of my industrial experience ,this falls a bit short of a failsafe alarm design and I opted to eliminate this fraction of a chance from the equation on the advice from several iboat memebers and 3 local outboard mechanics.My particular application was a 96'70 hp Evinrude.Whew!<br />I hope you don't take this post as a personal attack ,but rather one that attempted to explain my point of view.