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Similar Forum Topics
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By quadcrazy
If you are a new member, why not introduce yourself? This community thrives and grows with you and all our current members! We all want this community to grow and encourage new member registrations. That being said please help out QuadCRAZY by inviting other atv'ers to the community.
QUADCRAZY NEEDS YOU!
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By Joeguy
So i bought a chinese carb and in messing around still trying to get it to run right i figured id pull the spark plug to see if it was running rich, well it was definitely but also i have a nasty mark on the strap (i think thats what its called) that looks like the piston has been smacking it. I never actually pulled the plug because i had it running for a second on starter fluid when i first bought it and was just stupid and figured whatever was in there was good. The part number on it is DPR7EA, which is similar to what is called out for in the manual but i assume the little bit off that the code is means it must be a bit longer or something. Unless the plugs are made like this, but i can pretty easily see that metal has been pushed away from the area of impact. What are the odds that my piston is trashed now you think? It does still run just not well due to carb issues but thats a whole other problem.
Actually i just took a second to google both plugs and it says the reach is the same its just different resistor values and gap size, so maybe the bigger gap is why its hitting. Either way the actual one for it is on the way and i hope it just didnt do to much damage. Wish i woulda just went over the whole thing like i normally do with this stuff.
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By DayBreakJim
So my latest wheeler is a 04 Yamaha Bruin 350. It had all the wires cut from the stator and a few others and no wiring harnesses. The previous owner had them all twisted together and the bike neutral light would come on it would start (hard to start) but then would idle fine. It would die when you gave it gas so I soldered all the wires together and went on inspecting assuming it was a carb issue. Later after the carb was cleaned and adjusted I got this (see video). The bike would want to die anytime you gave it gas and there would be this horrible knocking sound but only when you gave it gas. I was worried it was the rod bearing and electrical still messed up somehow.
Upon further inspection of the wires coming from the stator there was a W/R wired to R and a R wired to W/R. I switched them so they matched per the service manual (W/R to W/R and R to R) and the bike started right up, idled and revved out fine and the knocking noise disappeared. This was the problem the whole time. It was just really hard to tell bc the oem wires coming from the stator were so brown and dirty I could barely make out which was which.
Where the hell did that knocking noise go? and what was causing it?? Just racking my brain trying to figure out what it was so I know for next time but I can't make sense of it... Really thought it was the rod bearing but it didn't make the noise at idle so I was questioning it...Luckily I kept searching!!
20230725_171507.mp4
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By Ulfthednar
Just a quick test video while I'm learning to use my gopro (really, $250 discount I couldn't pass it up).
This is from my side drive to the top of the property.
The Dog loves the runs.
No snowflakes were injured in the production of this video.
https://youtu.be/tKjBFuHCkM0
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By ATVNetwork
The first round of racing for the AMA Pro ATV and Pro Sport racers in the 2023 ATV Motocross National Championship (ATVMX), an AMA National Championship, was greeted with warm sunshine as the season kicked off in grand style within the high banks of the Daytona International Speedway. View the full article
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