Congrats on the 300 it really is the best choice. I give your son a year or two and he will want the 300 and you will have to get another.
![Grin ;D](https://www.autos.ca/forum/Smileys/CarTalk/grin.gif)
Judging by your pic you don't look too heavy so the stock suspension may work for you but if with gear you are pushing 190 then I suggest going up spring rates. The explorer fork is soft so you want it riding in the proper part of the stroke. If you do change keep them for when your son gets your bike. First step is to SET THE REAR SAG TO SPEC!! Procedure is in the manual and it is absolutely vital. Next after a few hours make sure your spokes are all still tight.
My suggested mod list (take it or leave it ) for the 300 after riding them for almost 20 years:
1) Get some hand protection for both bikes. They will save your levers when you drop it and will save your hand if you nail a tree. I literally bent one back last week against a tree last week. It would have destroyed my hand and all the fingers.. Cyrca Pro Bends.
2) You look tall? Over 6' and you should be looking at moving the bars forward (stock adjustable) and if it still feels a little low then look at 20-30mm of bar risers. You should be on your feet 80-90% of the time. The wooden plank of the seat will convince you to stand anyhow lol.
3) Get some protection on the expansion chamber of your pipe. These are vulnerable and once you start lofting obstacles like logs, rocks or worse fail to the pipe will take a beating. Distorting the pipe screws up your power.
3) Go buy some heavy duty or ultra heavy duty tubes. RMATV are now selling Tusk ones for $15. The stock ones are paper thin and it is a matter of when not if...Hopefully they last until winter and you you can swap them then.
The rest can come as you experience the bike, the list is long
![Grin ;D](https://www.autos.ca/forum/Smileys/CarTalk/grin.gif)
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- If you find front end nervous or it is deflecting ( then steering stabilizer (I like scotts, will also give you free bar rise).
- safety wire your shifter and rear brake pedals.
- rear aluminum shark fin to protect rear rotor, front optional
- remove the lock nuts on your tube valves and replace with some clear tubing. This will keep your valve in pace but will let go if the tire slips on the rim and won't tear the valve stem from the tube.
That is it for the easy stuff.
Trail bag: In addition to your standard tools carry an extra fuel line cone filter and an oring for the fuel quick connect. If you are not carrying tools to swap tubes/patch then at the very least carry some heavy zip ties to secure tire to rim while you ride it out. carry some wire to jump the bikes if required.
Need a bag? I really really really recommend the Klim Nac Pac with hydration
https://bfdmoto.com/products/klim-nac-pac-shape-shift-3l-hydrapakAgain awesome choice and if you find the 300 is not for you I bill buy it at a reasonable price.