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Yanmar 1GM Diesel Re-Assembly and Start-up - Voyage Dreams 89
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- Опубликовано: 29 июн 2023
- After several months of hiccups and delays, I finally put the Yanmar 1GM Diesel engine back together with new piston, rings, bushings (and more) and start it up. Once I get the Cape Dory 25D set up again to receive the engine, I'll re-install it there and move to other projects and sailing.
Thank you to my friend "D" for the generous use of the shop.
Merch: voyage-dreams....
followed - I have just acquired one of these single bangers, its in fairly good condition but making sure I can refer back to your videos.
That start-up was freakin beautiful! and now you know your engine better then anyone else!
Thank you. It was a real relief to see such a dramatic improvement.
Owen, great videos. What grit did you use to hone the cylinder? How did you decide what grit to use?
a dream of a conclusion, following so much effort, and presume expense, you got the end you deserved, well done owen, the whole episode is inspirational. a stead controlled dismantle, and a complete technical rebuild. beautiful to experience and share your success. thank you. now the easy bit of re-installing, hooking up and setting sale again under consistent reliable power.
It really will be a relief to have this engine back in the boat. There's a bit more work to do yet on the boat, but all in good time. Thank you
Another score for the good guys! Congratulations, Owen … a well-deserved win!
Muy buena tu explicacion.!!!
Few things are better than a cold start and smooth idle on a rebuilt engine. Congrats!
Thank you!
That was fun watching and she runs like a top. I agree a cold start at idle is essential and I believe you have solved the oil issues. Great work Owen.
It was a huge relief. Thank you
I looked at this boat when it was for sale in Anacortes. It has been fun to see what you have done with it. Nice job on the engine.
Thank you for your videos on this 1GM. I’m about to do what you did & it’s been very helpful to watch you go through the engine as you have. She sounds beautiful!
Thanks for you comment. Best wishes for your upcoming work.
Outstanding!!! I can’t imagine how satisfying that was! And thank you for sharing your journey!
Glad you enjoyed it!
Nice job! Thanks for sharing and congrats on the idle start.
Great Job Owen, Thanks
Thank you, I much appreciate it.
While you had the water pump out it’s always worth replacing the two seals on the drive shaft. The classic issue is a weep of raw water from the drain hole when the first seal fails. The water drips onto the high pressure oil feed pipe which eventually pinholes and you lose all your oil into the bilge.
Thanks for the tip
I ended up replacing the two oil lines under the engine with flexible high pressure lines fabricated by my local hydraulics shop they worked perfectly.
They water drip is your tell tale that the first seal has failed. Easy to change but drain half the oil first or you’ll find it drains through the hole when you take the pump off.
Speed seals are indeed a uk product and work really well on the 1gm where the pull my obstructs the cover bolts making it easier to take the pump out to do an impeller change !
That washer with an internal bonded rubber element is known as a Dowty washer in the UK (after the company that makes them).
Thanks for that, Nick. With your input I find that they're called the same thing here. And now I know what to look for when I search for some spares. All the best to you
Nice job !
Well done. Starts great
Thank you
Ting of beauty!
Thank you!
Owen your video was so great and informative It makes me want to buy an old diesel and rebuild it!!! Do you know what your total cost was on this project?
👌
Ah yes the pre-combustion chamber $$$ and the entirety of the Yanmar injector parts are $$$$ And the bonus - the injector pump per my 2 gm
Best segment yet.
Would like to know how you got engine out of your boat?
That's lofty praise indeed. I used the boom, a halyard, and a chain hoist. I'll try to include more of that when I install it.
Where did you order your gaskets from? I'm having trouble finding the right head gasket for the Yanmar 1GM. Thanks!
There is an authorized Yanmar repair/parts shop near the boat. I ordered direct from them. You should be able to order any parts you need from any authorized Yanmar shop. Mine, Cook Engine in Portland, Oregon, shipped parts to me when needed.
Top stuff!
You're very kind. Thank you
Hi mate thanks for your video. I’m currently changing the head gasket on my 1gm. I couldn’t help noticing that the head gasket you put on had the waterway holes block off on the gasket??? Is that correct? Thanks Phil 🇬🇧
Hi Phil, thanks for watching. I was skeptical of the blocked holes too, but that is by Yanmar's design.
@@VoyageDreams thanks for your message back. I will just fit it then… all the best Phil.
Thanks for the tutorial Owen,I have a cd 25d 1983 yanmar 1gm. Low compression like yours was, so you think the new piston or valve job made the most improved starting ?
You're welcome, though I'm clearly no authority. In the case of my engine, I tend to think replacing the rings has the greater effect; but if you're going to replace the rings you might as well grind the valves too.
Very good job, I have a 2gm engine and in the future I will do the same. Thanks for the video.
Did you install the head gasket with the sheet metal up or down?
Thanks for your question. Honestly, I don't recall. The service manual indicates that the OEM head gasket is marked with "Top" on the side that goes against the cylinder head. I likely don't remember what the surface was because I just followed that instruction.
Sounds great! It looked like you used two different sealers on the oil pan. Is that to allow the aluminum pan to move relative to the cast iron block? Is that something Yanmar specifies? I have also never seen the "gasket dressing" used on head gasket?
The service manual indicates the use of "Three Bond 50". Not even the Three Bond Corp knows what that is anymore, I asked. So I used Permetex Ultra Grey on both side of the pan gasket, hoping it will do what it needs.
The last time I removed the head gasket it was a mess and had to be scraped off. The gasket dressing should allow me to remove the head gasket in one piece if/when I need to remove the head again.
Hey Owen where did you get your parts from?
Virtually all parts for this engine were purchased from a local authorized Yanmar shop, Cook Engine in Portland, Oregon. I'd email a list of parts needed (part number + description) and they'd reply with an invoice including shipping (if needed). Very simple to pay by credit card with a quick phone call after that.
What gas station did you obtain your Diesel fuel from?
To the best of my recollection I fueled up at a marina station, in Astoria Oregon
@@VoyageDreams I only asked because I hear the best Diesel is the color Pink, which I thought I seen yours was pink when you bled the fuel lines.
I had to look into this, but it seems that the pink Diesel is simply fuel that is not intended for road fuel here in the USA. It is not taxed the way road Diesel is taxed and is illegal to use for on-road vehicles. I don't know if it's any better quality, but it likely has a greater amount of sulfur in it. @@lionsdejudah
@@VoyageDreams o you were using the Dyed Diesel.
Ok, but I hear Germany has better Diesel fuel than the US and the color is close to pink.
I’m currently trying to find a better quality diesel.
Dyed diesel is just regular diesel with like food coloring in it, it’s so when a trucker gets stopped the DOT can tell if he’s breaking the law by filling up with non taxed off road diesel.
Information pleas sir
Can you be more specific?
??
Owen your video was so great and informative It makes me want to buy an old diesel and rebuild it!!! Do you know what your total cost was on this project?
Thanks for watching, Doug. I didn't keep track.