I don't think there's any (other?) place in the world (anywhere that polices this sort of stuff anyway!!) that considers Kenda's are constructed sufficiently robust enough for them to qualify as a passenger car tire - they generally make & sell push bike & wheel barrow tires, & not widely recommended wheel barrow tires at that (altho their push bike tires sometimes get a good rap!) I really don't understand how Canada could ever recognise these tires as a 'safe' motorcycle tire, when they are so obviously an extremely lightly constructed 'car' tire (or should that be 'dodgy' not lightly??) & a car tire that wouldn't/shouldn't qualify as a 'safe' car tire at that, & I'm pretty convinced that it's only that initial recognition by Canada that's swayed any other country to let them run on vehicles used on their roads!! And we, the end users, pay the penalty for that - at least so far it's been in poor handling, ride, & tire wear, & hasn't (yet?) been in accidents & injuries!! :shocked: Personally, I'd be getting rid of the Kenda's or any tire based upon them at the earliest opportunity & putting on a tire that has actually & unquestionably qualified as being good enough to run under a passenger vehicle in your country, whatever that country is!!
And Gasman, before you get too carried away spending money on searching for physical or mechanical issues on the Spyder, just try swapping the front wheels to the other side & going for a careful ride to see if your symptoms change!! Yes, I know the tires are directional, but if there's an issue in the tire mounting or the construction of one or more tires creating your tracking & steering problems, swapping the tires to the other side will make that bloody obvious & you can then get that addressed rather than chasing your tail!! If it's NOT a tire mounting or construction issue, then swapping tires will have no effect on the way the symptoms present, & riding reasonably gently on directional tires turning the wrong way isn't really all that risky, well, not unless you are riding at warp speed or in very wet conditions!! Heck, many road racers & off road racers have been known to purposefully mount directional tires the wrong way around on one end of their vehicle just to take advantage of the extra traction in reverse that gives them or the changes in handling it can give your vehicle at speed!! And many people run their directional spare the wrong way for thousands of miles after a puncture with little adverse impact except greater wear on the tire cos it's turning 'against the grain' so to speak!!
So try swapping yours to the other side & see what it does to your tracking & steering effort!! No change, look for other things like wheel alignment or worn ball joints etc; but if the bad stuff disappears or the 'steering pull/tracking deviation' changes to the other direction/side, then it's probably gonna be a tire mounting or construction problem!! :thumbup: