£35 get a new batt feller i used to plug mine in onto a bike battery conditioner trickle charge when not in use and remove the poz'y lead from the battery if left for long than 3weeks.
got the quad out today 1st time in a year. hit the start button and it creates a mechanical buzzing sound by the battery box thing.. tried jumper cables and let run for 1hr, but still the same. battery is less than 3 yrs old,,,did i kill the battery by not using it?
Here's what I'd do in the workshop
1. Jump leads to battery positive and earth directly to engine block. This bypasses the battery. Attempt to start. If it goes then it is battery. If not then go to 2.
2. Jump lead negative to engine block, positive to starter motor side of solenoid. If engine turns over then faulty solenoid. If faulty solenoid then replace and get your battery tested anyway as its 3yrs old.
3. If that doesn't work then, jump lead negative to engine block and positive direct into starter motor. If that works check all leads for corrosion and secure fitting. If it doesn't work then suspect starter motor.
4. If none of the above work then it could be a faulty starter switch.
5. Failing all that stand there scratch your head, kick it a couple of times, threaten it with your largest hammer and then send it to a pro (like me)
Oh and I forgot that if it's a modern bike then they can have starter relays that go down too
I just give it a 5 minute run up to the top gate and back every 14-18 days. Never had a battery problem in 22 years.
thanks for your reply, I will try to take it all on board and research it. at present I only understand what you describe in point 5.
another issue I have is...when I drive nicely and slowly with moderate pressure on the throttle, it feeds fine, but when I press the throttle a bit more, almost a very exact point every time, it starts to cough and splutter and loses fuel feed. also creates problems with pulling heavy loads, but that might be a function of me needing to give it more throttle of course.
the local garage changed the fuel filter, oil, some gaskets, checkeed the fuel lines, etc. but did not resolve the issue. I am thinking maybe it's taking in air when throttle is applied halfway? or maybe the throttle itself is not working right?