Topic: Cognito Moto Oil tank

[M_Stone76?]

Hi,
I recently got the cognito moto oil tank for my 76 750 sohc and have been searching for some instructions cognito are too lazy to reply to.

So, I need to know , after an oil change ( and in general tear down to put the new tank on!)
How much oil do I need to put in, assuming there’s some still in the pump.

After, knowing it needs to be primed
I will be installing an oil light and pressure guage, when the oil is added, should I just check those to make sure it’s primed and everything?.

That being said, if I put in too much or too little, will the bike not like it? I know about crank froth and running it dry on normal wet sump bikes but these I’m not familiar with.

Thanks to anyone who can explain, it’s perplexing.
Sorry for the long and confusing paragraphss

[newday777]

Hi,
I recently got the cognito moto oil tank for my 76 750 sohc and have been searching for some instructions cognito are too lazy to reply to.

So, I need to know , after an oil change ( and in general tear down to put the new tank on!)
How much oil do I need to put in, assuming there’s some still in the pump.

After, knowing it needs to be primed
I will be installing an oil light and pressure guage, when the oil is added, should I just check those to make sure it’s primed and everything?.

That being said, if I put in too much or too little, will the bike not like it? I know about crank froth and running it dry on normal wet sump bikes but these I’m not familiar with.

Thanks to anyone who can explain, it’s perplexing.
Sorry for the long and confusing paragraphss

Welcome aboard the forum M_Stone76
Where are you located? Change the location in your profile....

You said you just bought the Conitomoto oil tank.
This one? It says it holds over 3 qts of oil, which is about the same as the stock oil tank capacity for supply and proper cooling capability.
https://cognitomoto.com/products/bolt-on-cb750-oil-can
My concern is there isn't a dip stick to check the oil level.
Yes they should have included instructions for correct filling of it and should have included an easy way to check the oil level.
Yes too much oil is as bad as too little oil, puking oil out on the rear tire will happen from too much oil which is a major concern and danger 🤔 for 2 wheels.
I don't have an answer for you as I run the stock oil tank. You are getting into a gray area so you'll need to do more research and homework before you go further. This forum is really geared more towards the original bikes and parts but most members are helpful where they can and some have gone the modified route.
 Go to the new members section and introduce yourself and your bike and your plans. Pictures are always welcome.
Are you trying to make a café bike?
There are forums that specialize in café building that should have a few more answers, have you looked at the dotheton forum?


Calj737 I'm surprised by you gouging answer. Not a good way to Welcome a new member.
(You have replied to a question about the tank in question in a 2018 thread with far more help.) Are you off on your meds or your sugar levels?

[Floshenbarnical]

What a strange way for a grown adult to speak to another adult, lol.

OP, I ordered one of these a couple months ago and it's arriving Friday. When I ordered it from James in Sales, I asked him the same question. He told me it holds over 3 qts of oil and to treat it like the stock oil box, i.e. add 2.5qts of oil (if I recall correctly), turn the motor over, top it off. The vent line, I believe, runs to the nipple on the back of the motor (the one closer to the swing-arm, not the tin man's nose where you adjust your cam chain tensioner).

[newday777]

OP, I ordered one of these a couple months ago and it's arriving Friday. When I ordered it from James in Sales, I asked him the same question. He told me it holds over 3 qts of oil and to treat it like the stock oil box, i.e. add 2.5qts of oil (if I recall correctly), turn the motor over, top it off. The vent line, I believe, runs to the nipple on the back of the motor (the one closer to the swing-arm, not the tin man's nose where you adjust your cam chain tensioner).

Is there a fill to line inside of the tank??

[Floshenbarnical]

OP, I ordered one of these a couple months ago and it's arriving Friday. When I ordered it from James in Sales, I asked him the same question. He told me it holds over 3 qts of oil and to treat it like the stock oil box, i.e. add 2.5qts of oil (if I recall correctly), turn the motor over, top it off. The vent line, I believe, runs to the nipple on the back of the motor (the one closer to the swing-arm, not the tin man's nose where you adjust your cam chain tensioner).

Is there a fill to line inside of the tank??

I doubt it - they're made to order by a contract welder who bangs them out whenever he has time. They're very highly rated, but from what I gather it's an eyeball-it situation. Note that I haven't actually received mine yet.

If OP or anyone else has any questions about the tank I recommend they call Cognito Moto at +1 804 256 7882, option 1 for sales, either or James or Devon will have the answers. I've ordered a few things from them, they're very knowledgeable and helpful.

[M_Stone76?]

Thanks for the information. Yes trying to do a new cafe build and I will check out that mentioned forum.
Kinda first time posting on here so excuse me being a little bit of a simpleton lol.

[Floshenbarnical]

Thanks for the information. Yes trying to do a new cafe build and I will check out that mentioned forum.
Kinda first time posting on here so excuse me being a little bit of a simpleton lol.

You're not a simpleton. You can't help what you don't know. I started my build almost two months ago with zero wrenching experience, the amount of stuff I've learned since I started is mind-boggling. Mostly through fixing my own mistakes.

[RAFster122s]

M_Stone, imagine part of what ticked off Cal was your criticism of Cogniti Moto as I am betting you are only trying email... Phone calls are far more effective as many places with presence get buried in email from people searching on the Internet and it takes quite a bit of manpower and hours to respond. If they try to...
Many companies have a policy of no emails.
Cal buys stuff from them and has worked with them so, he knows they are a good company and you kind of bashed them in a public forum.

The routing of hoses and the like would be similar to what is in the manual I am betting.

Maybe Cal is having a bad morning. At any rate...it was a very much put of character response from him so forgive him and move on. Your post was a quick stream of thoughts that may have been edited to improve but you aren't the only offender if it is an offense.

Glad you have some good input.

Millennials and some Gen Y and Z folks tend to try to use their email or text to get answers rather than just call to ask questions...it can wear thin the patience of some.

Good luck,

David

[Floshenbarnical]

I concur with David. If I email CM, I get a response within a few days. If I call them, they're very good and have the answer right away.

M_Stone, I'm sure you already thought of this but make sure you drain *all* the oil inc before attempting install the oil box, if you haven't already. You'll have to remove the oil spigots underneath the points and clutch plates in order to get the hoses on, and you're liable to make a horrible mess if there's oil in the system.

[Floshenbarnical]

Just got it. Can confirm no fill line.

[Bodi]

I don't see a need for a fill line if you can see into it. The problem of wetsumping when parked leads to a lot of overfilling by new owners, and oil gushing out as the sump is scavenged.
If you drain the tank and sump, and replace the filter, 3 qt should give you the tank level you want. Then run it a bit to fill the filter and get to minimum sump level, then add oil to get close to the level after the 3 qt fill. Make a dipstick if you want. As long as the level is there after shutdown you're good. If you look in the morning and the level is way low, don't fill it up, check after a few minutes of running.

[M_Stone76?]

I concur with David. If I email CM, I get a response within a few days. If I call them, they're very good and have the answer right away.

M_Stone, I'm sure you already thought of this but make sure you drain *all* the oil inc before attempting install the oil box, if you haven't already. You'll have to remove the oil spigots underneath the points and clutch plates in order to get the hoses on, and you're liable to make a horrible mess if there's oil in the system.


All I have done since building the bike and trying to install the tank is drain the oil from the oil pan and oil filter. no other plugs have been pulled, i am planning on pulling the oil pan to see what inside and replace the gasket.

As for the oil lines. I removed the male spigots from the crank case, ground the pressed OEM clamps off and put the new hoses on.

I am not sure what you mean by, “ I have to pull the spigots to get the hoses on”.
have I messed something up?
Thanks

[Floshenbarnical]

"All I have done since building the bike and trying to install the tank is drain the oil from the oil pan and oil filter. no other plugs have been pulled, i am planning on pulling the oil pan to see what inside and replace the gasket.

As for the oil lines. I removed the male spigots from the crank case, ground the pressed OEM clamps off and put the new hoses on.

I am not sure what you mean by, “ I have to pull the spigots to get the hoses on”.
have I messed something up?
Thanks"

You typed inside my quote so I'm not sure how to quote reply. Removing the male spigots from the crank case is what I meant. You have done the right thing.

[Floshenbarnical]

Strongly recommend running some CLR or whatever through your tank before installing it btw. Took a look inside and it was full of flash rust.