Fuzz, you are one knowledgeable and energetic dude, congrats on all your fine mods. :clapping:
LOL ... not sure about the energetic part ... maybe tenacious and cheap would be more accurate. As for knowledgeable, if I can take something apart ... I can usually fix it and put it back together. Give me a basket case ... I'm lost ...
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I think most "back yard mechanics", and let's face it, that's what I am, are a little timid about tackling a somewhat difficult job, or, a tedious job like changing a Gold Wing air filter. This lack of confidence can be overcome in two ways. 1) Diving right in and getting it done, or even getting to a wall and asking for help and working through it. 2) Not wanting to spend the $$ a dealer will get.
I encourage more people to get a shop manual and tackle some of the less challenging jobs. The air cleaner for instance is time consuming, but, not all that difficult. It takes the dealers about 1.5-2 hours. Takes me 3.5-4.5 hours. When I did my first one, took 6 hours. Again, not difficult, I just went really slow so I didn't get ahead of myself, took pictures of how things came apart and was very gentle with the plastic. So, was 6 hours of my time worth $200 the dealer would have charged for labor. To me, yes. Plus, I get the satisfaction of knowing lots about my rides. When I'm out riding in the some of that places I ride (to quote Robin Williams in RV, "It's not the end of the earth, but, you can see it from here.") I rest a little easier because I have tools, and I know how things go back together. Granted, I don't carry parts, but if something breaks, I can get to it and try to jury rig it.
Jumping in on some of the easier jobs will build that confidence to tackle the more challenging. Of course ... If money is not an issue ... by all means ... support the economy and use the dealer.
Disclaimer: I rebuilt/repaired/operated nuclear reactors in the Navy for twenty years. Pretty sure the complexity of the Gold Wing or Harley are not gonna baffle me too much. But I still encourage anyone that can physically do their own maintenance, do it ... you'll save money and know it's done right.