New 2019 Raptor 700r 10 amp efi fuse blowing - Yamaha Raptor Forum
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post #1 of 2 (permalink) Old 09-15-2019, 09:56 PM Thread Starter
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New 2019 Raptor 700r 10 amp efi fuse blowing

Purchased new in March of 2019 and could not resist to take it out. In Wny the temps where in the 40's with snow and ice covered trails after about an hour of riding I took a 10 min break and tried fire it back up but took about 5 tries to get it going again. I didnt think anything of it because it was a new machine and it was still in the break in period hoping the valves werent going to need to be adjusted. Four fuses later and now in July with temps in 90's it started blowing 10 amp efi fuse. Not wanting to take it into dealer I started looking into possible causes and this forum came up with alot of possible causes. After changing out about 4 10 amp fuses in the previous months and being out on trail with just one fuse left I decided to hit the gas tank from the back with seat off hoping it might shock the fuel pump and free something up if it was the issue drawing to much current blowing the fuse. But to my surprise when I hit it the ball in the gas cap pressure relief let go and started moving freely. Since then I have not had any issues. In this case the ball in the pressure relief was seated closed and not moving freely which was causing a pressure build up in the tank that was causing the fuel pump to blow the 10 amp efi fuse. Now the gas cap sounds like it has a loose marble in it. Hopefully this info helps someone out.
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post #2 of 2 (permalink) Old 09-16-2019, 04:23 AM
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That's crazy, but thanks for hopping on to share that info! Welcome to the forum.

[U]2006 raptor 700

DMC Force 4's, FCI W/box, Dynatek Fusion,
CP 11:1 piston, BaMotorsports porting, HC3
RacersEdge +3TB
YFZ 450 fronts & reworked rear by JOGACA
Trailtech 1 1/8 xbar w/vapor dash & Vapor installed
ODI Rogue grips & ASV pro pack levers
Fastway steering stabilizer
68HP 49TQ

PM me if you need service manuals
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