Yamaha Venture Lite Charging - HCS Snowmobile Forums

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Old 01-06-2017, 04:08 PM   #1 (permalink)
Join Date: Jan 2017
Posts: 1
Location: Oregon
Default Yamaha Venture Lite Charging

First time post here, if I am posting incorrectly, please let me know!

The camp I work for owns 2 2009 Yamaha Venture Lite snowmobiles which both have developed a charging issue. We can run the sled if we charge the battery externally, but the sled doesn't charge itself, after running for awhile it shuts down on Code 46 (low voltage to injection pumps I believe) and the battery voltage is low.

Testing the voltage between positive (red) and negative (black) at the VR (with the battery still connected and engine running at 5k rpm) is about 1V lower than the voltage at the battery (11.5V vs 12.5V, slowly going down as the sled runs) so the VR is definitely not charging the battery. We have replaced the stator, the VR, and the starting relay, but the problem persists. Testing the stator resistance everything checks out OK, not sure what the next thing to check. Thanks for any ideas that we might be able to try!

(I have some experience with electrical equipment and testing and snowmobile maintenance, but I am not an expert, so feel free to throw out anything that I might have missed.)
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