696 Monster Intermittent Problem

Discussion in 'Technical Help' started by Pauldonjuan, Apr 1, 2026 at 6:44 AM.

  1. Hey, I’m asking for some help to diagnose this issue.
    It’s a 2012 696 Monster, it will start to misfire on both cylinders or cut out totally, it’s ridden regularly, this can happen randomly every week, 2 weeks or 2 months. I’m sure it’s a fuelling issue as checked for a spark immediately after it cut out and was sparking. Leave the bike for 5 minutes ant it’ll start and run perfectly again. It usually cuts out after being stuck in slow traffic for 10 minutes or so, out the traffic and open her up and that’s the time it’s likely to cut out. It can be hot or cold weather conditions.
    I have had the following error codes.
    PO482 exhaust valve end position adjustment
    PO171 vertical cylinder lambda control signal too high.

    This model doesn’t have the valve in the exhaust system,
    I tried replacing the lambda sensor. I’ve tested the little inlet air temp sensor, that seems good. I’ve replaced the fuel pump.
    I’ve since had error codes for vertical and horizontal lambda sensors.
    It’s a well looked after bike and everything looks good.
    Any help getting to the root of this issue will be greatly received.
     
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