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  1. #1
    RC poster
    Join Date
    Jan 2013

    Jato 2.5 blew up, Bought 3.3 installed it and will not start

    I am having a bit of a problem, I got this Jato 2,5 a few years back. Ran it for a few years and finally the 2.5 malfuctioned and scored the cylinder wall. So i purchased the 3.3 engine and I hooked everything up the way its supposed too. It will crank but no starting. When placing the starter pack in, the glow plug light doesnt light up. I have had it to 2 hobbie shops. They replaced the wiring harness and messed with the ez start system. This was over a year ago. The one shop said they had it running and all was well. Took it home and didnt fire. Need some pointers. The yellow ground wire is good and I have tried replacing glow plugs and still nothing. My batteries are good and its getting fuel. Fuel is brand new also. The carb is moving freely. Id appreciate help! Thanks!

  2. #2
    RC Qualifier
    Join Date
    Apr 2011
    Remove the glowplug, put the blue wire on top, hold the yellow wire to the glowplug, then press the starter, does the plug light up?

    I've had a wand die. It would turn the engine, not the plug though.

  3. #3
    RC Enthusiast
    Join Date
    Feb 2012
    Ditto. Had the same problem. Kept the wand and use it with a glow starter. It's a pain but it works better anyway.

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