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Identifying a motor, and cleaning carburettor

dcstrom

New member
I'm reviving my brother's motor that's been sitting for 4 years. It ran briefly but fuel is pouring out of the carb. I'm assuming the carb needs a rebuild and I have the kit for it.

I'm fairly experienced working on motorcycles but have never touched an outboard before. Should be similar right? :) But I can't reach or even feel with my fingers a bolt that should be on the inside of the air intake tube, attaching it to the carb. I need to know how to get that tube off without dismantling half the engine.

I've been looking for videos or service manual but have found nothing helpful. Also, I can't find any reference anywhere (parts listings or service manuals) to the exact model - F25AET - am I looking in the wrong place for the model number? What do these codes tell me?

fetch
 
This is the bolt I think I'm trying to get to - assuming this parts fiche is the one for my engine, which I can't be totally sure about since nothing matches my F25AET code. But it looks the same. The bolt is number 4 here.

FireShot Capture 046 - Yamaha Outboard Parts by Year 1998 OEM Parts Diagram for Intake - Boa_ - .png
 
What has your local Yamaha outboard motor dealer said?

From Yamaha Ebay https://www.ebay.com.au/itm/Yamaha-...25AEHT-F25AE-F25AET-Manual-6-97-/323388016292

https://ypec-sss.yamaha-motor.co.jp/ypec/ypec/b2c/html5/app/en_GB/parts-search/index.html

It used to be that I could search the Yamaha Australia parts catalogs. System won't let me in since it says I am not in your region. Do a search there. You should find your model.

I get all sorts of Google hits https://www.google.com/search?q=f25...1.69i57j0l2.3678j0j7&sourceid=chrome&ie=UTF-8

https://www.huntsmarine.com.au/pages/yamaha-year-models

https://www.eastcoastyamaha.co.za/o...ing-the-model-codes-east-coast-yamaha-marine/
 
What has your local Yamaha outboard motor dealer said?

From Yamaha Ebay https://www.ebay.com.au/itm/Yamaha-...25AEHT-F25AE-F25AET-Manual-6-97-/323388016292

https://ypec-sss.yamaha-motor.co.jp/ypec/ypec/b2c/html5/app/en_GB/parts-search/index.html

It used to be that I could search the Yamaha Australia parts catalogs. System won't let me in since it says I am not in your region. Do a search there. You should find your model.

I get all sorts of Google hits https://www.google.com/search?q=f25...1.69i57j0l2.3678j0j7&sourceid=chrome&ie=UTF-8

https://www.huntsmarine.com.au/pages/yamaha-year-models

https://www.eastcoastyamaha.co.za/o...ing-the-model-codes-east-coast-yamaha-marine/


Thanks, that helped! key thing is that it's an F25A, the "ET" part in not relevant when searching for manuals. I have the info I need now I think.

I haven't asked the dealer because basically all I'm trying to do at this point is to get the carb off. Shouldn't be that hard right? But can't see or feel the bolt head on the engine side of the intake tube. With some help from the manual I'll probably find it. Worst case I guess I'll take the magneto cover off.
 
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