oil plug for HH400

Posts: 327

anybody know what size socket fits the oil plug for the HH400?
i've tried a 19mm wrench, standard size plug socket(just a hair to small), and cresent wrenches(cant get on bolt head due to other things in the way. i hate to go buy 3-4 sockets for just one application.

thanks

Posts: 4286

most are 17 or 18mm

Posts: 327

thanks, eric. i tried them booth. too small. i have up to a 19 socket, wont fit, tried a 1 inch plug socket, just a tad too small. i'm calling the bike shop today to see. thanks. Cool

Posts: 327

well, so much for being an exact copy of the Yamaha 400 Big Bear engine. after call the local yamaha shop, the big bear has a drain plug size of either 14 or 17mm. this one is way to big for that. so, went to auto parts store, bought a 27mm since a 25mm is 25.4 inches. thought it would work. nope, too big, so must be a 26mm. now have to go back to auto parts store to return this and get the other one. i'll get that darn oil changed yet. Shocked

drove it just a few minutes tonight around the yard. i can feel it's starting to loosen up a bit. engine not as tight. now if someone(Joel??) can lead me toward some good aftermartket air filter, jets and pipe, i'll be all set. Twisted Evil

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Posts: 2583

Okay you cheap duck... JKidding...
Go get a good set of sockets in the 25-30mm range. Get Craftsman so you can take back the ones that don't fit anything.

That thing looks pretty good.. except for one thing... it's too clean.

Posts: 327

Ok. after all the running back and forth from the parts store, i finally got the correct socket. it's a 22mm. when i got home with it, it fit perfectly. got my other tool box out and DUH!!! i forgot i didnt have a 1/2 inch drive....... Evil or Very Mad

so, now i have to go back tomorrow and buy a dadblastit rachet drive. hopefully, we'll get the dang oil changed tomorrow. then i hope i can open it up a little more. i hate driving slow.........