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About jackman290

  • Rank
    New Member

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  • Bike
    2015 Sherco 290

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  • Location
    Hamilton Ontario
  • Gender
  1. Spark plug cap

    It is my understanding that the resistance in the circuit will give longer spark dwell time and also protects the CDI from harmonics getting into the module, which could wreak havoc on the engine timing. I’m not saying it will not run with zero resistance, but it could be a gamble with expensive electronics. This is confirmed by Steve at motoplat 👍 Just wanted to spread the word
  2. Spark plug cap

    I would recommend that you pull the old cap back off and check it with a multimeter to make sure it’s not a resistor cap as well 👍 If the HT lead is long enough, you may be able to cut it back 1/4” and screw your cap back on to it. Worth a shot
  3. Replacing the kill switch with a magnetic lanyard one

    Yep, I too would recommend saving your original killswitch if there’s nothing wrong with it, and just rewrite your new one the same way you remove the old one. (You wouldn’t be wrong to just cut the wires and add your new switch, but for the extra 10 minutes of work, I’d just replace the whole deal) 👍 One wire from your kill switch goes to the frame ground bolt, and the other goes to a single spade connector off the CDI 👍
  4. Water pump impeller

    That looks fantastic! Great work!
  5. Sherco 290 front sprocket

    Fantastic idea, I will heed this advice! I had a hard time getting the tank back on (over the wire harness and CDI stuff), so I heated the bottom of the tank with a heat gun and it now fits without stressing any components underneath 👍
  6. Sherco 290 front sprocket

    Here’s a shot of it with the new chain and sprockets. I wrapped the front fender with some 3m carbon fibre I had laying around because the original had some serious bend-marks/creases. The heat gun is key. Timed the new stator with a timing light and she fired up on the first kick She’s like a new bike again (it actually looks nicer than my 2015 lol) The drive sprocket still has some wobble play to it, but it’s hardly noticeable once the chain is installed and tensioned. The next big plan for this bike is an engine rebuild due to play in the main bearings/connecting rod. (Followed by new tires)
  7. Sherco 290 front sprocket

    I just fitted the new Talon front sprocket to my uncles 290, and it still has some wobble/play to it. It sounds like that's just the norm from the replies above, the shaft isn't warn on this one.
  8. Sherco 290 front sprocket

    I just ran into this while replacing the stator on my uncles 2003 290. His sprocket was so worn that I’m shocked it never piled into the crank case. We have a new sprocket on order and I’m hoping there’s no wear to the drive shaft splines. I would also think that the sprocket would wear before the harnened shaft, but won’t have an answer until I get the new sprockets! I will post an update once they come in, hopefully by this weekend. Here’s a pic of what his severely worn front sprocket. 😲!!