New to me, used Saito 65, a few questions. - RCCanada - Canada Radio Controlled Hobby Forum
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Old 11-10-2003, 10:33 PM   #1
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New to me, used Saito 65, a few questions.

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Just received a used Saito 65 four stroke. I've never run a FS and it didn't come with instructions. I'm not sure how old it is nor how many tanks of fuel through it. Any suggestions on starting out with this motor.
What type of fuel, I've got 15% and 10% XP fuel on hand? I received a
spare plug with it. Prop suggestions would also be appreciated.

I've been looking for an excuse to build a break in/test stand, all the parts are available in the shop.

Any suggestions are welcome.

Thanks Guys,
Hmm, Wonder what I can build from that shrapnel?
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Old 11-11-2003, 01:50 AM   #2
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i burned the 15%cool power in mine(all synthetic)it's what is recomended in four strokes(synthetic fuel).but i would burn the fuel that you have.i think that the castor may "gumm" up the valves,but you can clean them up if need far as props go.i think that you can use anywhere from a 11 4 up to a 13 or 14 in prop on it.i had a 12 6 on mine in a 72in span ford flivver.i guess it depends what you are going to fly with it.if you look on the saito web site,you will find the manual for it there.i did.all your info will be there for you. good luck!let me know what you're planning on putting it in.i should add that you also need a specific four stroke plug for this motor.osf is the one that is most recommended i believe.also started it up rich initially just to be safe until she warms up.3turns on the high speed oughta do it.a tach definetely comes in handy with the 4 strokes.once again all the info you will find on the saito website.also alot of guy's burn the 30%heli fuel in their saito's.hang on tight! I believe that the 65 has been replaced by the 72,so they are no longer made as far i know.i stand to be corrected on all this info.but it worked for me. that engine is still running like new to this day!
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Old 11-11-2003, 07:51 AM   #3
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The Saito manual is a pdf file @ Horizon Hobbies web site.

Your gonna love that engine!! Saito's are the best 4 stroke around (IMHO).

BTW, I run Wildcat 10% in my 56, no problems with castor gumming up the valves.

Chris Rebidoux
Gravity works. I've tested it......often!!!
Building: Jerry Bates 1/4 Chipmunk
Vancouver Vanguard 1/6 Fairey Firefly
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Old 11-11-2003, 09:16 AM   #4
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Some suggestions:

- Make sure you have an OS #F Plug

- Make sure you really prime the engine before starting so that it's really wet with fuel.

- Make sure you run the engine dry at the end of your session,

- Use caution when turning the prop by hand. 4-strokes (especially if they are warm/hot) have the capability of starting up without the glow igniter attached. (rare but possible). If you are priming the engine by hand, get a firm grip on it, just in case. Even when using a chicken stick, be prepared for a "kick" back.

- Firmly hold the prop when attaching the glow driver (same reason as above)

- As was suggested get/borrow a tach, your ears won't detect differences as easily as with a 2 stroke. Saito recommends leaning it out to max RPM them backing off 300-400 rpm's. I prefer to break in my new 4-strokes richer than that, but that is a personal preference.

-Again as was said, the prop selection is also based on plane. If you just want to break it in, what I did was purchase some inexpensive wood props that were in the middle of the "sport" range for break in.

I'm running 3 x .56's 1 x .91 and 1 x 1.80(still new); Saito's rock

Hope this helps,

Bob D.
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Old 11-11-2003, 10:43 AM   #5
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Thanks guys,
I downloaded the manual. The spare plug is an "F" plug according to the
package. The test bench was built this morning, so I guess all i need to do
is fire her up.

I think the motor will go into a SPAD Bipe I've been thinking about.
I have a balsa bipe in the basement waiting for an engine but I think I'll
try a SPAD first, to learn on.

Hmm, Wonder what I can build from that shrapnel?
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