Join Date: Feb 2017
Location: St. Louis, Missouri
I do all the checks and adjustments at the specified intervals, sometimes earlier. I dont ride to wrench, I wrench so I can ride. Many subscribe to the principle of "If it ain't broke, dont fix it." I maintain so it doesnt break, then I dont have to fix it.
Nobody EVER adjusts the valves in their Miatas. But when I checked mine at the specified 60K-mile interval, 14 of the 16 were way loose. I put them all back in the dead center of spec, and the car ran like a whole new animal. And it ran just fine before. Throttle response, fuel economy, midrange torque all improved.
Same deal with my '00 Kawasaki ZRX. 7500 mile intervals, 8 of the 16 valves were way too tight. Swap and replace shims, sync the carbs afterwards, and all rideability improved. Yes, many cars and bikes are in or close to spec when checked--if they ere even ever checked. But you'll never hear a tight valve on it's way to burning. And if you were the 1 out of a thousand whose valves were out of spec, it wouldnt mean a thing about the other 999 bikes whose bikes were in spec.
There will always be ways to justify not doing the recommended maintenance. Fear of the unknown shouldnt be one of them.
Last edited by MAZ4ME; 07-13-2018 at 02:02 AM.