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so my second hand 07 max (stock?) has 6500 km now (5000 when i bought it 3 mo. ago) and seems to have developed a clicking and ticking noise - first question are valves the likely suspect? definitely seems to be coming from the heads and particularly from the rear closest to the seat - the bike has a manual vboost switch that really kicked in at 3000 rpm but for the past couple weeks has definitely lost power - started around same time as the ticking noise - ive pulled the plugs they all had some dry black carbon build up - also when i pulled the air filter box it was pretty wet - kind of coffee colored fluid inside - q2 what the hell is that about? -now for the carbs i notice the brass screws are visible (no plugs to drill out) so maybe the jets have been played with already ? are these brass screws the ones that are talked about being screwed all the way in then like 2 1/2 turns out for adjustment? -can somebody tell me about the slot screw adjustments (2 on right side of bike and 1 on left) as well as the kind of knob style adjuster on the left side (are they all idle adjusters?) i had a 98 max that required nothing but gas and oil change and have had 2 harleys that i replaced and serviced carbs on (mikuni 42 and 45) but none of them had 4 carbs to try to set up and right now im lost trying to regain the power i had just a few weeks ago - little help please?