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Ask Jeff Policky Your Own Question
Jeff Policky
Jeff Policky, Motorcycle Mechanic
Category: Motorcycle
Satisfied Customers: 2425
Experience:  Yamaha Gold, Suzuki Gold, Honda Bronze, Polaris Bronze, BRP
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The speedo does not show when its in gh gear all the time

Customer Question

the speedo does not show when its in high gear all the time just some times. shows all the rest all the time. 2010 polaris 800 rzr so the 4x4 wont work unless it shows high gear but low & reverse work good.
Submitted: 4 months ago.
Category: Motorcycle
Expert:  C. Walker, Jr. replied 4 months ago.

Have you replaced the speed sensor and checked the wiring to make sure it is not damaged?

Customer: replied 4 months ago.
Expert:  C. Walker, Jr. replied 4 months ago.

Sorry I should not have said speed sensor but the position sensor.

Customer: replied 4 months ago.
i knew what you meant. i also tryed another speedo that did not help.
Expert:  C. Walker, Jr. replied 4 months ago.

I have run into this problem a few times those sensors are EXTREMELY sensitive. If it is off by a sliver or there is a hair i there it will mess up. Usually if you put it up and down it will eventually show the correct gear. But what I would recommend is removing the sensor and try cleaning the contacts with rubbing alcohol or electrical contact cleaner.

Customer: replied 4 months ago.
I have done that to.
Expert:  C. Walker, Jr. replied 4 months ago.

I would have to go with a defective new sensor or you have a bad control module. It goes from the sensor to the ECU to the speedo.

Customer: replied 4 months ago.
Well thanks but ive tryed every thing your saying guess take it to a polaris mechanic.
Expert:  C. Walker, Jr. replied 4 months ago.

I wish I could offer you more information but that is the way the system works. The contacts make connection as you move the shifter. If you have replaced all of the components and checked all of the wires than it has to work correctly. If it is not that means it is one of those items. I wish I could have you bring it into my shop but there is no way to tell exactly what is going on without it in front of me. I would go through the system just like you stated you have. I would put it in high gear and ensure the contacts are lined up like they should be if it is off than you can adjust as needed. But I really have a hard time explaining the way to do that without it being here. In neutral the ball inside should line directly up with the bolt holes.

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