GabrielGoes
Forum Mentor
Sorry you have about 3 things wrong there so it is kinda killing the joke
- 1981 GS750EX is a 16V TSCC engine
- It has 4 valves per cylinder
- If it was 2 valves per cylinder it would be an 8V not 16V.
thats totally what i ment
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81 GS750 Repaint
- Thread starter posplayr
- Start date
thats totally what i ment
OK then I'm really cornfused :-&
I went on one ride with Bill after his accident and rode the GS750. It was leaking quite a bit of oil so I ended up pulling the motor for a refresh which is something I had planned for some time. Now that I wrecked the ED, I had to do it to make more room before tearing down the ED .
I used the engine stand that I made. Not the best welding job but it sure makes working on the engine easier.
The engine ran well, despite it's 60K something miles. The PO had been into it but other than a clutch I was not sure what. I also had a spare parts bike that had some nice engine parts. So I'm swapping out some of those as listed below
Plans are to pull engine and:
The photobucket slide show is here, But I'll post some with a brief description
http://s449.photobucket.com/albums/qq215/posplayr/?albumview=slideshow
Engine has been pulled and is on the stand.
http://www.thegsresources.com/_forum/showthread.php?t=163713&highlight=Engine+stand
Draining out all of the oil.
Pulling off the top end after a wash down.
flip motor over for the cases to get split
Bearings look decent
Tranny looks good but I have a spare with clutch
I used the engine stand that I made. Not the best welding job but it sure makes working on the engine easier.
The engine ran well, despite it's 60K something miles. The PO had been into it but other than a clutch I was not sure what. I also had a spare parts bike that had some nice engine parts. So I'm swapping out some of those as listed below
Plans are to pull engine and:
- Cleaned most of the gunk to respray it with some Por-15 paint
- New OEM STD Rings (old ones measured out 0.,012" end gap)
- New OEM Head and Base Gasket
- New Viticon Valve Stem Seals
- Lapped valves
- Have nice set of GS1100E cams (15K miles and almost no wear)
- Nice set of GS750 82 Followers from Toto (Thanks they are nice)
- Plan on degreeing the cams
- Will bump the jetting up a bit as it is stock at the moment
- Split the cases to alleviate any oil leaks
- Putting a low mileage Transmission from the 80 GS750
- Putting a low mileage Clutch from the 80 GS750
- Cleaned carbon from the pistons and cleaned ring groves
- Buffed the pins and made sure they float nicely
- Changing out all of the bottom end rubber /seals with OEM
The photobucket slide show is here, But I'll post some with a brief description
http://s449.photobucket.com/albums/qq215/posplayr/?albumview=slideshow
Engine has been pulled and is on the stand.
http://www.thegsresources.com/_forum/showthread.php?t=163713&highlight=Engine+stand
Draining out all of the oil.
Pulling off the top end after a wash down.
flip motor over for the cases to get split
Bearings look decent
Tranny looks good but I have a spare with clutch
Last edited:
Went through the head to replace the guide seals and lap the valves. Most of the work is cleaning up the old carbon.
valve spring compressor worked like a charm. Just needed to clean blocks of wood to make it a one man operation.
Make sure you use a little grease when you assemble the keepers; makes it so much easier.
Head is nice an fresh; I use a hammer and socket to bounce the retainer a little to make sure the keeper doesn't fall out and it is secure. Head is also flat could not get a 0.005" feeler under a straight edge.
valve spring compressor worked like a charm. Just needed to clean blocks of wood to make it a one man operation.
Make sure you use a little grease when you assemble the keepers; makes it so much easier.
Head is nice an fresh; I use a hammer and socket to bounce the retainer a little to make sure the keeper doesn't fall out and it is secure. Head is also flat could not get a 0.005" feeler under a straight edge.
Last edited:
G
gearhead13
Guest
Did you check the rod bearings? They go first before the mains. My 750 mains looked better, but the rod bearings werent as good. I ended up just replacing the rod bearings.
H
HammerHead
Guest
All I can say Jim is WOW!!! Amazing stuff and the paint and motor work is superb. Wish I could see you guys at Bruce's but just can't make it.
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