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Old 07-05-2004, 10:58 AM   #1
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Default help breakin ns12s5

Guys I need help I got the 710 over the winter put it all together and know Im just getting around to racing this sumer, but first I have to break in the engine, I have a ns12s5 the compression is so great I cant even get it started even with loosening the glow plug, can someone help? any suggestions.
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Old 07-05-2004, 11:39 AM   #2
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I just went through this 10 minutes ago with a new RB v12...

Heat the motor with a hair dryer......leave the plug out till you get fuel in the carb....pop th plug in,tighten till ist a half turn loose...'

as soon as it starts,tighten the plug...
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Old 07-05-2004, 01:27 PM   #3
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I would think you just need a stronger starter box since It has such good compression the motors in the starter box has to be able to turn over the engine also make sure your glow plug ignitor is fully charged
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Old 07-05-2004, 02:55 PM   #4
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A more powerful starter box is not required. Do what harry says and you will be fine. Putting some oil in the chamber will also help. The tightness goes away after a few tanks and then they start perfectly. My NS12S3A1 was exactly as you describe.
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Old 07-07-2004, 06:10 PM   #5
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you guys rock, i will try it this weekend and let you now how I made out
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Old 07-10-2004, 09:03 PM   #6
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OK guys, heating the engine helped but I have another problem, I have a cheap duratrax starter box and the ns12s5 is to stong for this box, I had to use my friends old stater box to get the engine going, but he had an old one I dont even know what it was, so my question to you is what starter are you guys using, I need to get another one
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