Jon pontoon
Recruit
- Joined
- Sep 20, 2020
- Messages
- 4
Background - bought this boat in June 2020. Had a nagging miss and would not charge battery when running. Also engine would die when coming back down to idle and hard to crank for the first couple minutes afterwards. I wound up replacing all the engine electronics (stator, trigger, switch box, coils, wires and plugs. In addition the wire pairs to each coil have been replaced.)
My issue - I put it in the water twice this spring and motor ran great. The second trip out was a long one with about a half a tank burned. I shut it off and it has not cranked since. I ordered a replacement stator after checking resistance on the one on the boat and finding it to be different from what the service manual says. The new identical stator did not fix the issue so went through the following procedure.
Coil input voltage - 1 = 67, 2 = 71, 3 = 57, 4 = 58 VDC.
** If coil input voltage is less than 150 test switch box stop**
I disconnected yellow/black wire from switch box. Checked voltage between switchbox lug to ground. - 106 VDC
**If is switch box stop voltage is less than 200 test stator output**
Voltage between blue (low speed) stator wire and ground - 100 VDC
**If voltage is less than 200 test stator high speed output**
Voltage between red stator wire and ground - 21 VDC
**If high speed output voltage between 20-90 test trigger resistance**
Resistance between Violet and White - 986 Ohms.
Resistance between Brown and Blk/Wht - 976 Ohms.
(These values should be between 700-1000 Ohms.)
Since the high speed output voltage is 21 VDC with allowable being 20-90, I decided to back up and test the stator resistance as if this test failed.
Restistance between Blue and Blu/White = 568 Ohms (book says 6.8k - 7.6k)
Resistance between Red and Red/White = 33 Ohms. (book says 90-140)
It appears that the stator is bad? The thing that bothers me is that the stator resistance readings are almost identical to the old stator that I took off. This leads me to believe:
1) The book is wrong - highly doubt this.
2) My engine is killing stators some how (remember that this stator has never been hot and has not run.)
3) I received a bad replacement stator.
Not sure what to do here. Any help is appreciated.
My issue - I put it in the water twice this spring and motor ran great. The second trip out was a long one with about a half a tank burned. I shut it off and it has not cranked since. I ordered a replacement stator after checking resistance on the one on the boat and finding it to be different from what the service manual says. The new identical stator did not fix the issue so went through the following procedure.
Coil input voltage - 1 = 67, 2 = 71, 3 = 57, 4 = 58 VDC.
** If coil input voltage is less than 150 test switch box stop**
I disconnected yellow/black wire from switch box. Checked voltage between switchbox lug to ground. - 106 VDC
**If is switch box stop voltage is less than 200 test stator output**
Voltage between blue (low speed) stator wire and ground - 100 VDC
**If voltage is less than 200 test stator high speed output**
Voltage between red stator wire and ground - 21 VDC
**If high speed output voltage between 20-90 test trigger resistance**
Resistance between Violet and White - 986 Ohms.
Resistance between Brown and Blk/Wht - 976 Ohms.
(These values should be between 700-1000 Ohms.)
Since the high speed output voltage is 21 VDC with allowable being 20-90, I decided to back up and test the stator resistance as if this test failed.
Restistance between Blue and Blu/White = 568 Ohms (book says 6.8k - 7.6k)
Resistance between Red and Red/White = 33 Ohms. (book says 90-140)
It appears that the stator is bad? The thing that bothers me is that the stator resistance readings are almost identical to the old stator that I took off. This leads me to believe:
1) The book is wrong - highly doubt this.
2) My engine is killing stators some how (remember that this stator has never been hot and has not run.)
3) I received a bad replacement stator.
Not sure what to do here. Any help is appreciated.