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Old 20 June 2012, 15:29   #1
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Flushing; Muffs or Attchment?!

Hi there,

I recently purchased a Tohatsu 50hp TLDi and want to know about flushing it with fresh water.

I was simply going to buy the flushing attachment and use that, but I am not sure whether you are meant to have the engine running or not whilst using the flushing attachment. I hope you are as that way the fresh water will run around the hole system (the stat etc) properly. I have read my manual and its a bit ambiguous, it says to fit the flushing attachment and flush out with water, no mention of running the engine! BUT also on the same page it says "wash the engine before long term storage, run the engine at slow speed to flush out fresh water from the cooling system..."

So does Tohatsu maybe mean, when doing a quick flush just turn the tap on, but if storing the engine away for a period also run the engine with the flushing attachment/tap on?!


As for ear muffs, obvously I know you must have the engine running for them to work, but if I do buy ear muffs instead of the flushing attachment, should I be buying single or double ear muffs? From what I have seen, usually single is for outboards up to 50hp and double is for outboards over 50hp. Is this correct? Would I do any harm using a double one? I would rather the engine got more water to help keep it cool whilst out of the water!

Thanks for your help!

James
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Old 20 June 2012, 15:35   #2
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You run the engine whilst flushing with fresh water.

You can use either method ie, screw in the fitting to the gear case where it says 'flush' ( a little tricky) or much easier to just use flush muffs as I do. I have always used the double muffs on engines from 10hp upwards.
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Old 20 June 2012, 15:59   #3
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Yea I did read somewhere its a little tricky to fit the attachment. Think I will just go for the double muffs then! Will any old ones on ebay do such as... YELLOW Flush Muff Outboard Engine Motor Flushing Muffs | eBay

Also I take it you turn the tap on full blast?!

Thanks.
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Old 20 June 2012, 16:03   #4
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Quote:
Originally Posted by J@mes View Post
Yea I did read somewhere its a little tricky to fit the attachment. Think I will just go for the double muffs then! Will any old ones on ebay do such as... YELLOW Flush Muff Outboard Engine Motor Flushing Muffs | eBay

Also I take it you turn the tap on full blast?!

Thanks.
Those are the ones
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Old 20 June 2012, 16:27   #5
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Quote:
Originally Posted by J@mes View Post
Yea I did read somewhere its a little tricky to fit the attachment. Think I will just go for the double muffs then! Will any old ones on ebay do such as... YELLOW Flush Muff Outboard Engine Motor Flushing Muffs | eBay

Also I take it you turn the tap on full blast?!

Thanks.
These muffs will be fine but personally I would look for some that have a hozelok type fitting on the end, you can then fit a hozelok nozzel to your hose and wash down the boat once the engine is flushed
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Old 20 June 2012, 16:32   #6
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It's not difficult to fit a hose lock to those either though. Double fill are better than the singles that normally come fitted with attachment. Cut short hose, then plug n play!

Peter @ Boatsandoutboards4sale ~ askboatsandoutboards4sale@sky.com ~ 07930 421007
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Old 20 June 2012, 17:25   #7
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I bought a set of those same muffs a couple of years back, they work a treat.
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Old 20 June 2012, 17:26   #8
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I bought a set of those same muffs a couple of years back, they work a treat.
Same as
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Old 20 June 2012, 19:39   #9
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think I will go for these bad boys... Outboard Engine Flush Muffs *DOUBLE* - 50hp and Up | eBay they have the hose pipe connector already and they have rectangular covers/caps which should sit slightly better I would imagine.

Changing subject, can anyone tell me if this Cepsa 2 stroke oil CEPSA -Outboard Engines which I have a couple of bottles left over from my previous engine will be ok for my new Tohatsu 50hp TLDI (2 stroke injection) engine?

EDIT: think I have found the answer; Tohatsu Outboards: Authorized North American Distributor for Tohatsu Outboard Motor, Parts, & Accessories. it says;
TLDI outboards should only be run using TCW3 oil specifically formulated for use in Direct Injection motors. Standard TCW3 oil is not recommended for use in TLDI outboards.
  • Tohatsu Complete Advantage 100% Synthetic Oil
  • Tohatsu Premium TCW3 Semi-Synthetic Oil
  • Nissan Marine Complete Advantage 100% Synthetic Oil
  • Nissan Marine Premium TCW3 Semi-Synthetic Oil
  • Pennzoil 100% Marine Synthetic
  • Pennzoil Semi-Synthetic Outboard Oil
  • Mercury Optimax/DFI Oil
  • Yamaha Yamalube 2-M Semi-Synthetic Injector Oil
  • Bombardier XD-50 Semi-Synthetic Oil
  • Bombardier XD-100 Full-Synthetic Oil
The above oil brands are currently the only brands that have been tested and approved by our factory for use in TLDI systems.


Does anyone know a cheap place to buy any of the above online? or indeed another brand of oil that actually meets or supersedes the specification for Tohatsu TLDI engines? Reason I ask is because I have heard some brands of car engine oil (like Motul) can actually supersede manufacter's requirements, but don't have the manufacturer's stamp/recommendation on it because it costs thousands and thousands to pay for the test or something like that?!


Cheers.
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Old 21 June 2012, 02:15   #10
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You run the engine whilst flushing with fresh water.

You can use either method ie, screw in the fitting to the gear case where it says 'flush' ( a little tricky) or much easier to just use flush muffs as I do.
Sure about that?

Most say that if you are not on muffs (i.e using either the screw in hose adaptor or a purpose installed inlet) you do *not* run the motor. Connect the hose, turn on, and wait.

One exception I know of is Susuki, which had a vieo on their site showing idling while on a hose adaptor (though they never said that in writing, as far as I know.)

Bottom line: on muffs, idle is OK. On anything else, do not run motor.

jky
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