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Valve adjustment for your amusement

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sdurnal
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Valve adjustment for your amusement

Postby sdurnal » Thu Jul 18, 2013 8:52 pm

Here's something you may not have seen.. I'm adjusting the valves on a Saito 65 R/C engine on my P-51 Mustang. The allen wrench you see in the adjuster is approx 1/16" The jam nut is approx 5/32. The gap is adjusted at .002-.004"
I did have to put the bifocals on...lol. I have a meet (fly-in) this weekend, so I'm getting ready. (It's the plane in my profile photo) Enjoy...
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sdurnal
10+ Years
10+ Years
Posts: 923
Joined: Thu May 06, 2010 1:36 pm
Zip Code: 47201
Tractors Owned: 105 & 127 cadet (sacrificed for a 4wd project)

680 Cadet
1964 LoBoy FH
L-54A Blade
Pennington 3 spindle deck
LF-194 plow
Circle of Safety: Y
Location: IN, Columbus

Re: Valve adjustment for your amusement

Postby sdurnal » Thu Jul 18, 2013 8:55 pm

I don't know why it enlarged so much in the photo, but that is about 3 times actual size..

midmo
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Re: Valve adjustment for your amusement

Postby midmo » Thu Jul 18, 2013 9:30 pm

Good thing it's enlarged. I would need bifocals on to see it. Ron

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Rudi
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Re: Valve adjustment for your amusement

Postby Rudi » Fri Jul 19, 2013 7:16 am

My bi-focals are implants so don't need the frames anymore .. :lol: Very nice pic Stan .. I like the enlargement - makes it much easier to see.
Confusion breeds Discussion which breeds Knowledge which breeds Confidence which breeds Friendship


Bill E Bob
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Re: Valve adjustment for your amusement

Postby Bill E Bob » Fri Jul 19, 2013 8:36 am

Reminds me of my H-D Evo pushrod engine :wink:

outdoors4evr
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Re: Valve adjustment for your amusement

Postby outdoors4evr » Fri Jul 19, 2013 11:53 am

Sure is nice of Saito to recommend that they get adjusted every 1-2 hours of operation. (per the manual on my Saito 125a)

From the manual:
* After 1 to 2 hours of operation, valve adjustment may be necessary. Adjust the valves as shown in the "Valve/Tappet Gap Adjustment" section on Page 9.

Valve/Tappet Gap Adjustment (Page 9):
Adjust the valves to a clearance of 0.03mm to 0.10mm (.002" - .004") using the supplied gauge.

Anyone got some brain-surgeon hands? (small and steady)
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User avatar
sdurnal
10+ Years
10+ Years
Posts: 923
Joined: Thu May 06, 2010 1:36 pm
Zip Code: 47201
Tractors Owned: 105 & 127 cadet (sacrificed for a 4wd project)

680 Cadet
1964 LoBoy FH
L-54A Blade
Pennington 3 spindle deck
LF-194 plow
Circle of Safety: Y
Location: IN, Columbus

Re: Valve adjustment for your amusement

Postby sdurnal » Fri Jul 19, 2013 7:11 pm

Hehe, this one has never had the valve covers off after 6 years and 3 different planes. Actually I was surprised with the insides. Still starts with just a bump against compression. I always use 15% nitro, and it likes it...


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