Oil level?

gs1327 · 650Rider Supporter Joined: Feb 20, 2007 Posts: 170

I've noticed that I have 2 dipsticks from 2 motors and the marks are not the same- since the cases and oiling systems are the same on all 447 motors, shouldn't the oil capacities be the same? Whats the diff, anyone know?

jayel · Posted: April 7, 2008, 6:53 pm Post subject: Re: Oil level?

old motors were 2000cc late motor 2300cc you have 1 early dipstick yam dealers remarked a lot of them as they changed the case capacity before they changed the dipstick

Cooltouch · Posted: April 7, 2008, 8:42 pm Post subject: Re: Oil level?

jayel wrote:

old motors were 2000cc late motor 2300cc you have 1 early dipstick yam dealers remarked a lot of them as they changed the case capacity before they changed the dipstick

Not to pick nits or anything, but I have a few motors around here which state "2500cc" embossed into the top case. These are "later" motors.

Best,

ichael

jayel · Posted: April 7, 2008, 9:11 pm Post subject: Re: Oil level?

ok maybe 2500 i was thinking 2300 just off the top of my head

gs1327 · 650Rider Supporter Joined: Feb 20, 2007 Posts: 170

I guess I'll see whats stamped on the case, add that much, and see which dipstick reads correctly.
Thanks for the replies.

5twins · Full Member Joined: Aug 05, 2006 Posts: 1616

Yamaha got complaints about excess oil coming out the breather and revised the oil level in '75. I don't think the cases ever changed, just the amount of oil you put in them (less on later models), hence the dip stick marking change. That amount stamped on the case is for a new totally empty motor or for one after a complete teardown. You won't get that much oil in there without overfilling it on a routine oil change. And if you overfill these motors, it WILL blow out the breather (DAHIK). Here's a service bulletin .....

gs1327 · 650Rider Supporter Joined: Feb 20, 2007 Posts: 170

Well, motor is totally empty after a rebuild, so I'll go from there.
Thanks

TeeCat · Posted: June 16, 2008, 9:30 am Post subject: Re: Oil level?

Guys, this post got me thinking:

When I did my routine oil change after I got my '73 TX, I put in 2.5 litres, per my Haynes. I was wondering if this might have to do with my continuing oil drooling even after torquing the front sprocket nut to spec. I have not changed either seal yet as I wanted to be sure that one or both of them is leaking. I have less oil on the rear rim than before after a brief test ride, but it still drips. I have to go in again and look to see if the nut held torque (87 ft/lbs), or if one or both of the seals is leaking.

I don't want to risk blowing a seal out if I change them. And do you check oil with the bike upright and level, and warm or cold?

TC

weekendrider · Posted: June 16, 2008, 11:08 am Post subject: Re: Oil level?

I check mine on the center stand cold. But I never completely fill to the top line. 1/8 to 1/4 inch low.

xsleo · Posted: June 22, 2008, 12:13 am Post subject: Re: Oil level?

the book says to check oil warm, on the center stand, let set a few minutes, remove dipstick wipe clean, set back in hole with dipstick just setting on threads, not screwed in.

Gypsijoker · Posted: July 22, 2008, 9:08 pm Post subject: Re: Oil level?

Could someone please tell me what height the lower motor mount bolt sits at when on the center stand? Being a hardtail, my bike lost the center stand long ago so I'm probably not getting the right reading when I check my oil.
Thanx

hal0tw0 · Posted: July 22, 2008, 9:24 pm Post subject: Re: Oil level?

I think as long as the bottom of the frame/engine is parallel to the floor the level should be right. I cant tell how much your bike is raked/lowered but just make sure its level before you check it.

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