Dan Redmanfour: Thank you for the video good job. I have a 350 Big Bear and while I was
trying to start the engine it would only run for a few seconds. The small
of gas was very strong. I removed the seat and the air filter housing and ¼
of the housing was filled with gas/oily mixture of some sort. I keep the
machine in the shop so there was no water in the system but it would not
run very well at all. After removing the gas and cleaning up the machine I
removed the crank case breather hose and while starting the engine it was
running a lot better, but the hose was blowing gas and oil out of the
breather hose. The longer I let it run the more gas came out until after 30
minutes it slow down and stopped. After 1 hour there was only a drop every
two seconds coming out of the breather hose. The question is what caused it
and what do I need to do to make it work better? I did let it run for about
2 to 3 hours. Any help would be great.
Thank you for your videos.
bern trailboss: I have same quad .. its a tank .. I love bigbear350
kurtis fuller: Love my big bear to death!!! Its an amazing quad :)
jacob classified: Your clutch play needs adjusting. It shouldn't jump while going into gear.
serge3988: @t103070 y have the same problume serge3988 and mi big bear is a 1982 350
donyboy73: @ringbolt9 should do the job
donyboy73: @ringbolt9 yea it's been hot
jacob williams: where did you get the carb kit at?
ringbolt9: all your equipment seems to run great when you're done! what do you think
of this: i got an old mower for free. B and S 6 horse. the intake tube that
feeds gas from the carb to the motor was missing. I found a replacement but
dont have the gasket where it mounts to the engine. A little RTV silicone
do the job?
jacob williams: where did you get the carb kit??
quintenc24: Is there anything to i can to to fix a sticky float without buying a new
gbennettsenco: Great video,does the float have a adjustment?
donyboy73: @TheBigtex54 at the yamaha dealer
serge3988: @t103070 mabe a clen up
colton muhlenkord: i have a yamaha big bear 350, it wont stay running, iv adjusted the idle
screw various times and it wont stay running when its on it runs for about
a minute then it like "chokes" and shuts off. do you think it could be from
a dirty carb or is it somthing els internally? thanks!
xXBMXSAINTXx: What needle the air to fuel needle?
Jake Morris: I have a 86 moto 4 and I'm surprised on how similar big bears and moto 4s
are. Great and helpful vid!
2259chevy: i got the same bike and my carb is getting cleaned now but once i put it
back together how do i no how to set the needles and the other components ?
donyboy73: @olemiss46 please tell ur friends about my channel
NPOD728: Cool! runs good!
jtotheb1993: my honda atc 200 super red does the same thing. i have to put the choke on
just to change out of neutral
megagunner72: great videos!! exactly what I needed to get mine off my 02 bear... was
stuck on the throttle cable removal - thanks again very thorough
serge3988: @t103070 y have the same problume
phil78901: Good work and good job explaining! I have a 95 Moto 4 with the same 350
olemiss46: donyboy73, I can't thank you enough! Just got a hold of a '98 kodiak 400
that needed serious carb work, and this video showed me everything i needed
to know - start to finish. Thanks for your effort in posting this video!
Tristan102100: my neighbor has one that looks like this except it is a 175,2wd...and
that's about it other than that it looks exacally like this.
ringbolt9: thanks buddy! just thought i'd get the "expert opinion" . hey do you have
nice weather up there now --- finally??
DAVID wayne: Great video! thanks for sharing I rebuilt my carb and replaced the manifold
It runs ok but it seem to have a pop pop at idle. can you help with that?
xXBMXSAINTXx: Also how much money did the carb kit cost ?
donyboy73: @boat6868 thanks dude
donyboy73: @xXBMXSAINTXx yes, it usually helps
t103070: I have a 2007 big bear 250 starts fine as soon as you hit gas it stalls.Do
you think i need carb rebuild and if so is this 350 video good to use are
the carbs the same?
jacob williams: where did you get the carb kit??
boat6868: Nice job!!
donyboy73: @Mrcodvid i would celan the carb and make sure the needle valve is not stuck
quintenc24: Thanks and also whenever,i turn the fuel switch on gas pours out of one of
the lines. What should I do?
xXBMXSAINTXx: do the jets have to be a certain amount of turns in?
eatasammich: Mine will only run with the choke out any idea why?
Todd Barnett: Hi donyboy73, This video is so helpful! thank you so much for the tutorial.
I'm having trouble finding a 1995 yamaha BB 350 4wd carb kit....Can you
confirm that this kit will work MD03-304 12-9926? Yamaha stopped making
carb kits for Big Bears in 92? I think. I'm hoping that one will work.
Thanks for posting such helpful videos!
donyboy73: clean it with carb cleaner
isaiah armitage: yea my friend has a moto4 and we blew the transmission out of it and got a
new one and it runs great
kimmidobbins: You have dirty pilot jet and or clogged idle mixture screw passage.
Typicaly for something that dirty you will want to fully disassemble and
soak the carb and its individual parts in a gallon of carb cleaner. Not the
junk you buy in a spray can. The gallon of cleaner can be bought at any
auto parts store and will run about 20 bucks.
colton muhlenkord: o i guess i forgot to say it will run, i mean it dosent idle sorry!
tubemcg: Donyboy: Great video!
Yamaha Big Bear ATV Carburetor Clean & Repair Part 3 of 34.8
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