broken starter gear
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broken starter gear

  1. #1
    snipe hunter breezeblocker's Avatar
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    Feb 2008
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    91724 & big river space 84
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    Default broken starter gear

    starter has been dragging pretty bad when motor is hot and sometimes clunks just a little, but has always worked. well last weekend it actually completely shattered the starter gear, nothing left of it. i still need to inspect the flexplate . has anyone seen this? i have a marine power 454,98 commander jetboat, also is this a mark iv or gen 5? i dont have the boat here to check casting numbers. just in case i need the flexplate. thanks b



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  3. #2
    Senior Member
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    Dec 2007
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    Newbury Park, Ca/Mohave Valley, Az
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    Default Dragging

    When a starter is "dragging" it is turning too slow to drive the engine over TDC with momentum... Now stop to think how many gears are actually engaged in the ring gear, and how much "slow" torque the dragging starter can apply to those 2 or 3 gear teeth...... The whole trick to a good starter/engine combination is momentum to get over center, and keep the engine turning fast enough to get over the next TDC... A strong battery, a well mounted starter, and a quick starting engine, usually leads to years of service..... A dragging starter will also play hell on battery terminals, and connections, as well as the switch being used to engage the solenoid......Ray
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