Mikuni Super BN Clean, Rebuild, and Pop-Off Testing
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- čas přidán 17. 07. 2024
- In this video, I disassemble, clean, rebuild, and test pop-off for my 2001 Yamaha GP800R WaveRunner carburetors. The rebuild process wasn't too bad really but be sure to use factory Mikuni carb kits. I did not know the condition of these carburetors so I figured I better be safe than sorry.
To purchase the Japanese Industrial Standard bits used in this video:
amzn.to/426Y2kB
To purchase the Mikuni Carb Rebuild Kits used in this video:
amzn.to/3WGpCDS
To purchase the Carburetor Check Valve Grommet Install Tool used in this video:
amzn.to/49suiT4
To purchase the Mikuni Pop-off Tester used in this video:
amzn.to/3N0qWhI
As an Amazon Associate, I earn from qualifying purchases.
#Yamaha #GP800R #mikuni
0:00 Splitting the Carburetors
2:06 Carburetor Disassembly
10:00 Carburetor Reassembly
16:09 Measuring Pop-Off Pressure
20:07 New Fuel Lines
21:37 Rejoining the Carburetors - Auta a dopravní prostředky
Great job thanks.....the check valves are cupped though make sure the green/blue strip is up.
Yes. I didn't see any cup on mine but def that's the way to do it. I will pin your comment in case anyone misses that. Thanks for the kind words!
Great video! Will help out with my carb rebuild this weekend! Thank you !
My pleasure. Remember to stay hydrated! 🍻
Hello my guy..... Greatly appreciate your videos I might be needing some of this information in the near future
Thank you for the kind words. Ultimately I hope you don't need it!
@@605BOLT you see the thing is I just picked up two free jet skis 1996 Kawasaki one of them is a 900 the other one is 750... They've been sitting for a few years... I'm going to start working on them seeing if they run
Right on. Sounds like a score!
@605BOLT thanks for this video! you explained things so clearly and great close ups/camera angles and everything, easily the best rebuild/pop off video i’ve come across and i’ve been using it as a guide to rebuild my dual carbs on an xlt 800 basically identical setup to yours
i’ve got this baffling issue where i can’t build pressure above 40psi during the pop off test, i have the same tester and it goes past 100psi with just the hoses blocked off up to the carb inlet, don’t see any signs of a leak in the needle/seat, no bubbling, really at a loss as to why it won’t build up higher pressure
I have another video coming out later where I needed to adjust these settings. It had a bog off idle that I couldn't fix. I got a bigger needle and seat and pulled pop off back to 45 and it cleared right up. Assuming it will help you too. Thanks for the kind words. Could be not building pop off because the needle and seat are wore out.
@@605BOLT thanks! i’m subscribed and looking forward to that video. My needle and seat is actually brand new oem mikuni, and i used the oem rebuild kit as well. Decided to think out of the box a bit and found that air is actually leaking from the other side!! (pump side?), so weird, i tightened up the screws but it’s still leaking, made a short video of it
czcams.com/video/yYGBgW8ufnk/video.htmlsi=xZu5CcGbfQNIXnoN
the carbs are from 20 year old machine, wondering if they’re still fit for service
@@neppy5 I'll check it out.
Nice. Liked the video
That was a crispy pop off though.
Great video bud/ Your hose to the Accelerator pump has a check valve inside it. Do not throw away the hose. look inside for jet style check valve. Reinstall it! I set my Pop off at 35 psi
I just went and checked the hoses. I actually kept them. No check valve😬. I wonder what is going on there?
@@605BOLTI just checked my 98 gsx l (5625) none either
@@kyleroman9326 idk then. 🤷♂️ I'm glad you commented though because I feel like people will be curious
Just found this...Thanks. it's helping me out big...One question...If you kept the same spring and needle, how did the pop off get to 80 psi? What changed? Thanks ..
Idk. That's why in the next video I ended up changing some pieces around per sbt. It ran on plane ok but wouldn't hole shot well.
Cool 😎
🙏
Merci beaucoup ❤❤❤❤❤❤❤
You're welcome.
13:25 The gasket and plastic sheet in the picture on amazon is not the same as yours
True. But it's just a picture. As long as you get the Mikuni kit you're good.
Do I have to adjust the idles and lows and highs or if they look right then don’t even touch them
If possible, don't mess with them. If it runs, leave it.
The settings are highly dependent on where you live and any mods or not.
@@605BOLTI got my needle and seat out but then that the 2 screws to get to the jets it looks like the last people who did it stripped them pretty bad any ideas how to get them out?
@@nickmocilan9067 shoot that's gonna be tough. Could try cutting a little slit in the screw to make it a flathead. Might work. Otherwise just leave it maybe. That's from somebody not using those Japanese screw drivers I bet.
@@605BOLTI ended up drilling the head off real risky but worked out thanks for the help though
Carburado xlt800
Same carburetors I believe.