drag races u have won!!!
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By Need-help-with-quads
So I have an 89 Yamaha moto 4 250cc and when I ride it, itll get hot after like 10-15 mins and then will just die and turn off.
It's has new carb rebuild, new air filter, new battery, new spark plug so I don't think it's a crack in the spark plug
Can anyone help me?
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By Brantley11
Hey everybody,
My proficiency is with Hondas and Yamahas make me see RED!
This bike is my brother in law's, it has 1199 miles on it and went from running great to dead with no start. Every once and a while it will start and sputter for 2 seconds. It is extremely sporadic when it fires but never runs for longer than 3 seconds.
Here is where we sit:
Brand New Fully Charged battery
Carb was cleaned with air hose and carb cleaner then into the ultrasonic cleaner with Aircraft aluminum cleaner
New Shindy Carb kit (made in Japan version)
Cleaned out petcock and gas tank
New 93 Non Ethanol Gas
New Spark Plug
It gets a spark through the spark test light every time
Bluish white spark
When holding the spark plug 1/4" - 3/8" away from head it will jump and spark to the head
Good Compression
Here are the readings:
Pickup Coil 519 Ohms (range 459-561)
Charging Coil 266 Ohms (range 270-330)
Lighting Coil 0.700 (range 0.702-0.858)
Spark plug Cap 10.58 Ohms (10kohms
Ignition Coil Primary Coil 0.5 ohms (range 0.18-0.28 ohms)
Ignition Coil Secondary Coil 8.20 kOhms (range 6.32-9.48 kOhms)
Would y'all think stator and pick up coil, rectifier or CDI are the culprit?
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By oxidized_black
Yamaha ATV manuals are located in the downloads section here at QUADCRAZY.
Please visit the downloads section at https://www.quadcrazy.com/files/
Get 15% at emanualsonline.com with coupon code EMOAFF
Get 20% at emanualsonline.com with coupon code BLAZE and $50 purchase
Clymer ATV Manual - Yamaha Raptor 700R
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By NZrider
My king quad 700 runs rough when cold then won't start some times but not often when it's hot. And occasionally smoke's a lot when it's cold I'm guessing that's rings but I'm worried unless it's causing the other problems
All help is appreciated thanks
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By jatho
Has anyone else had an issue on older king quads where the oil would leak from the top of the head (due to a failed gasket) and drip onto the hot exhaust? Mine got so hot one time it caught fire. Just wondering if this is a common issue, as I've seen the same thing happen on multiple bikes that were the same model.
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