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Trouble starting savage

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Old 06-06-2007, 05:21 PM
  #1
USNDALGE
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Default Trouble starting savage

I just purchased a Savage truck for my son and we can't seem to get it started properly. It ran for a few minutes yesterday, and since then, I have been unable to get it going. As soon as I remove the glow plug starter, the engine quits. On my last start attempt, the starter seems to have disengaged from the engine. When the electric starter shaft is inserted into the engine, it spins, but the piston is not moving.

Needles to say, this is a disappointing start for us.

Any input you have is appreciated.

Tom
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Old 06-06-2007, 05:37 PM
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Default RE: Trouble starting savage

As for the glow plug starter issue, you most likely have a bad glow plug. Just replace it. As for the rotostart not turning the engine over, try either cleaning the OWB in the backplate or actually replacing the OWB.
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Old 06-06-2007, 06:28 PM
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Default RE: Trouble starting savage


Quote:
ORIGINAL: Oscardms

As for the glow plug starter issue, you most likely have a bad glow plug. Just replace it. As for the rotostart not turning the engine over, try either cleaning the OWB in the backplate or actually replacing the OWB.
+1
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Old 06-06-2007, 06:32 PM
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USNDALGE
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Default RE: Trouble starting savage

I checked the glow plug by removing it and touching it to the battery contact and it glowed red hot in an instant.

Is ther a sequence to starting? Do I place the battery on the glow plug and then hit the roto starter or do I do them at the same time?

It seems to run while I have the power stick on the glow plug and while the rotostart is turning, but as soon as I remove either, it quits.

Tom
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Old 06-06-2007, 06:50 PM
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Default RE: Trouble starting savage

a BAD plug will still glow, replace plug,then reset,retune your needles
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Old 06-07-2007, 12:39 PM
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Default RE: Trouble starting savage

Your engine is too rich or it was flooded or both. The extra fuel is snuffing out the plug....keeping the ignitor on it keeps the plug lit....that's why it runs with it on but dies when you pull it off. When a plug goes bad, it doesn't work at all....there's technically no in-between phase with a plug.
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Old 06-07-2007, 12:42 PM
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Default RE: Trouble starting savage

Also, the one way bearing is bad in your backplate. That's why the rotostart spins but the engine doesn't turn over. It's probably coated in fuel and slipping (from being flooded and rich). Spray it down with some nitro cleaner and it should be ok. If not, you'll have to get a replacement. They retail for about $20, so be prepared for sticker shock.
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Old 06-07-2007, 03:57 PM
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Default RE: Trouble starting savage

I agree with gravedigger, your carb is tuned too rich and basically snuffing out the engine.
I'll assume that the engine and truck are brand new and not just new to you (used)
That means that the carb is at factory settings (unless you've attempted tuning it) and those settings are often rich enough to kill the engine. Try tweaking the HSN 1/8 of a turn leaner (clockwise) and try starting it again. You can repeat that until you've gone about 3/4 of a tun leaner total if need be but you'll probably start noticing an improvement before then.
As to the starte issue, yes, one way bearings can and do get dirty/oily and stop working and can even fail. But, since I'm assuming it's a new engine I'll suggest that you be sure that the piston is not stuck in the sleeve at TDC (top-dead-center) before you start going through removing the engine. That can be enough to cause the owb to slip also and is not uncommon in a new motor. If you find the piston is stuck you can move it by turning the flywheel by hand to free it - well, it usually requires a screwdriver to pry it around, but anyway...
If you did indeed buy the truck new then read the manual very well, watch any videos and check out the youtube tuning videos. Nitro rc vehicles have a steep learning curve but are lots of fun once you get past that. Do not, however, expect any of them to be "get and go" like the toys at WallyWorld. They are not toys, they are a hobby and as such require a lot of extra time for working on them and maintaince and most of all, lots of patience.
[link=http://www.youtube.com/watch?v=oSmMzpZM_As]HPI tuning video #1[/link]
[link=http://www.youtube.com/watch?v=BJFsJAxNoRg]HPI tuning video #2[/link]
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Old 06-07-2007, 07:28 PM
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Default RE: Trouble starting savage

Thanks for the input. The OWB is toast. It spins freely in both directions! Is this something I did by using the roto-starter incorrectly? At any rate, I ordered another and will just have to wait until it comes.
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Old 06-07-2007, 09:13 PM
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Default RE: Trouble starting savage

Quote:
ORIGINAL: USNDALGE

Thanks for the input. The OWB is toast. It spins freely in both directions! Is this something I did by using the roto-starter incorrectly? At any rate, I ordered another and will just have to wait until it comes.
Try to use the roto-start in short bursts, don't hold the button too long.
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Old 06-08-2007, 09:14 AM
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Default RE: Trouble starting savage

One ways are expensive. On the actual bearing part there is a number stamped HF0612. Do an ebay search for this and you'll find the bearing without the hex fitting alot cheaper. The bearing can be pressed out of the hex fitting when heated.

Theres a shop in Australia that sell bearings and a tool for pressing out the bearing for a really good price. The shop specialises in helicopter stuff, but the parts are the same. I've used both the replacement bearings and the tool and they both work fine.

[link=http://wattsuprc.com.au/product_detail.asp?pid=K10273A]One way pressing tool[/link]
[link=http://wattsuprc.com.au/product_detail.asp?pid=BearingHF0612]One way bearing[/link]

I don't work for this shop, they just have good prices on this stuff.
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Old 06-09-2007, 05:32 AM
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Default RE: Trouble starting savage


Quote:
ORIGINAL: USNDALGE

I just purchased a Savage truck for my son and we can't seem to get it started properly. It ran for a few minutes yesterday, and since then, I have been unable to get it going. As soon as I remove the glow plug starter, the engine quits. On my last start attempt, the starter seems to have disengaged from the engine. When the electric starter shaft is inserted into the engine, it spins, but the piston is not moving.

Needles to say, this is a disappointing start for us.

Any input you have is appreciated.

Tom
Exactly same as me!! I first start it today, I just felt disappointing start for me. I have to use 1/2 throttle to get it running then remove the glow plug starter... But I feel that 1/2 throttle during break-in is no good, but I have to. It just refused to start on idle. I was like "***"
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Old 06-09-2007, 06:45 AM
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Default RE: Trouble starting savage

turn the idle up a bit.
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Old 06-09-2007, 08:08 AM
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Quote:
ORIGINAL: Vigilante212

turn the idle up a bit.
Where are the idle screw?
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Old 06-09-2007, 08:52 AM
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Default RE: Trouble starting savage

If you need half throttle to get it moving then its a bit too rich for break in. You should have it so you press the trigger 1/4 and it moves at 5-8mph. For USNDALGE, your truck is also a bit too rich. Lean the HSN (the gold needle sticking out vertically in front of the engine) by around 1/8 of a turn. Also you may want to increase your idle speed screw (black screw facing the pipe). You should put the glow start on first and then turn the engine with the starter. I gun my engine to 1/4 throttle to get it started easier. As soon as you hear that the engine starts, dont wait for it to settle down, start driving right away and keep your finger on the throttle until around 5 min till its warm. These engines can be a bit tricky when cold, especially during break in. Oh and make sure you use short 4 second bursts with the roto starter. Good luck! Tom[8D]
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