i use royal pupal synthetic oil in everything. the stuff made it go faster. even the gear oil. i used the 75w90. it good to change out the junk oil that the factory put in. changing back and forth from conventional to synthetic is a no no. so go with one or the other.

doc I am going to have to get some of that stuiff just got my joyner back together about an hour ago. I got the head ported and polished ant took about 30 thousands off. I started her and got her up to operating temperature I will do that a couple more times for break in purposes and then let her rip tomorrow. Will let you know tomorrow how she works. I wish they would get that big bore kit done and the ignitio, let me know if you find any performance parts.

thats what I put in the gear oil.I'm going to wait and get a couple hrs on the engine and then put rp in

i want to have my head ported to so let us know how she pulls. thanks!

I could use some help on this. I have a 2007 Joyner with the cf moto 250 in it. I took off the cover to drain the final drive and it doesn't look like the picture in the sticky. There are no bolts next to the clutch and the shifter and cable are on the other side of the engine. So far I changed the engine oil and the gear oil in the trans. is there something I am missing?

The CF250 engine is different than the CN250 engine - This is why you cannot find the plug. Maybe someone with a CF will post.

One more time....
5w30 engine oil
75w90 gear lube for diff
and what for tranny?

Am I missing any? Also can you label some posted pics of where to drain and fill. I'm sorry for being too Newbie, but my Titan witht he CN250 is being shipped as we speak.


The coolant I heard is just water from factory. I plan on useing Toyota Auto 50/50 mix (the red coolant) since I can get it for free. It seems to hold up very well in every car I work on at work.

in the tranny use 80 90 i think th im going to use 80 90 in the cvt also

The fill plug for the Joyner 250 is on the the right side of the casing behind the drive sprocket. You will find the drain plug on the bottom of the casing. According to post on here, the recommended fluid is 50 weight gear oil.

The fill plug for the Joyner 250 is on the the right side of the casing behind the drive sprocket. You will find the drain plug on the bottom of the casing. According to post on here, the recommended fluid is 50 weight gear oil.