[spark plug for a '00 400ex??] - ATV Riders Forums - Honda, Yamaha, Suzuki, Kawasaki, Polaris, CanAm, Arctic Cat, Kymco ATVs

Pages:1

spark plug for a '00 400ex??
(Click here to view the original thread with full colors/images)

Posted by: mikeskickinit

I had just bought a 2000 400ex last weekend and want to go through all the small mechanical things etc..What things should I look at and or change out? I plan on doing the spark plug, draining the oil & gas & new air filter.

What else should I perhaps change and or look for??

last question..What is the correct spark plug to run in a 2000 400ex?? I've been searching the internet and people didn't seem to be sure..is it the NGK DPR8z?

Posted by: Young_Gun1

Pull the swingarm pivot bolt out and grease or anti-seize
check bearings for play

and yes that is the right plug for a stock machine

Posted by: f4istunna

Good idea to go over all the nuts/bolts too to make sure they are tight. I had a balljoint pop out of a spindle once the day i brought a banshee home within a cpl hours of riding because the nut vibrated off. I always check over all the bolts now.

Other than that you got it covered. Fresh gas, oil, filters and plug. Might want to do a compression check too just to know where your at.

Posted by: bobizzle

when i purchased my 300, i took all plastics off and put marine grease on bolts, nuts, berring, andthing else that might get wet and dirty and hard to get to. check brakes and rotors. i took apart carberator and cleaned a little out of it. pretty clean for the most part. change oil, spark plug, air filter. check the rear end berrings to see if they are shot, or still good. take a paper towel and clean any dirt or debris out of air box. i also drained gas out of tank and made sure it was clean. my dad purchased a bike, and it had water in it from the previous owner. rusted his fuel guage and dirtied carb. better to be safe than sorry.