Montana 07 xr650

Hello everyone, my father in law has an 07 xr650r that I've taken up working on and poking around on here and there. We are having all sorts of trouble with it and I've taken it upon myself to get her running the way it should.

My history with bikes is on and off road. A few KTM 2 strokes and my current dirt bike is a 06 crf450r. Couple of street Suzuki's too.

I do as much work on them myself as possible and am not afraid of tackling projects as needed.

Yesterday we pulled the bike out of the back of the shop after sitting for a few months. Checked fluids, drained fuel and threw in some fresh gas and go figure the problem it's always had continues.

The bike is incredibly hard to kick start, and once it does start it hates idling and pops and gasps. I come to this forum today with a sore leg and determination to find a solution and get this thing fixed. A friend of my father in law went through the bike and did a bunch of work which I'm not so sure about so here I am to see if I can sort it out.

Thanks for having me and I look forward to our conversations.

I would go back to basics and strip carb yourself and if possible try stock (Uncorked) jets ?, I know she might not run great due to your altitude etc but she should start and tick over OK.
Work your way through, new plug, clean filter and report back
Welcome to the forums by the way.

Yip, ditto: clean the carb to 'new' which means you'll need compressed air also.
Clean tank too if required, but whatever you do install an inline fuel filter.
If spark is there the bugger should start!
Enjoy

Oh, assuming here that the tappets are set correctly, that there's an exahust present, handlears etc etc LOL