Had my monster 1100s for nearly 3 years and all of a sudden it's become hard to start when stood for more than a few days. It turns over fine but struggles to fire. If I give it a minute and try again it eventually starts and I don't get anymore problems. It's done 6500 miles and has a cjs map with cans but these have been fitted for ages.
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Hi, If you find out what it is please post it up as I have the same problem, but I've only had mine a month. Same thing, lots of power from the battery, just won't fire up. I was also advised to check the plugs but haven't got around to it yet.
Recently, I worked on an Monster S4R that showed this problem. It turned out to be caused by oxidation on the teminals of the in the TPS connector.
Plugs arent iridium so cant be that. Was wondering if the fact im nearing my valve check at 7500 could be the issue?
On that model, I've no idea. It's on the LH side of the throttled bodies but there may be some plumbing or something in the way.
