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Old 05-01-2007, 12:07 PM   #1
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Default How to save my JAMMIN JPX.21 engine? please advise...

Just start to run in my engine yesterday, but today my filter came out without notice, and saw sand inside my engine... please advise wat I can save my engine.
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Old 05-01-2007, 07:52 PM   #2
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The engine may be junk. Id take it apart and clean it out and reoil everything. Any scoring of the cylinder walls its toast. New piston sleeve time. Check the crank induction area and case for serious scratches.
Now dont use zip ties to hold your air filter or fuel lines on all they do is pinch the tube causing a small leak. Use an 0-ring slipped over the groove in the carb elbow. Do the same to your fuel lines. Any auto store can help.
Lesson learned?
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Old 05-01-2007, 10:43 PM   #3
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The bearings could be damaged too. It might be too late.

I had the same thing happen and even though I cleaned it thoroughly the damage was already done. The bearings only lasted a few more minutes before coming apart. Sorry to hear that.
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Old 05-02-2007, 06:03 AM   #4
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If you saw sand inside the ENGINE well take the 2 adviced posted before, maybe its too late for your engine.

Happened twice in my life, first time as you, KILLED ENGINE, second time just found sand on the carb, dissassembled the whole engine, cleaned and reoiled just to found everithing was OK and that engine took me to the 3rd place on the southamerican championship couple of hours later ... too much luck that time ...

cya,
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Old 05-05-2007, 12:53 PM   #5
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Quote:
Originally Posted by Tabushi
If you saw sand inside the ENGINE well take the 2 adviced posted before, maybe its too late for your engine.

Happened twice in my life, first time as you, KILLED ENGINE, second time just found sand on the carb, dissassembled the whole engine, cleaned and reoiled just to found everithing was OK and that engine took me to the 3rd place on the southamerican championship couple of hours later ... too much luck that time ...

cya,
Thanks you guys for all the advises given... Today I just went to run my engine and its doing very good. I will take note all the advises given by you guys. Thank you very much... If you guys got any good advises or tips to improve me, please do feel free to message me. JAMMIN all the way...
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Old 05-05-2007, 05:46 PM   #6
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here is the best advice i can give you....KEEP RUNNING JAMMIN PRODUCTS!!!!!!!!!!!! and everything will be good....
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Old 05-07-2007, 10:02 AM   #7
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Quote:
Originally Posted by Jason Halvorson
here is the best advice i can give you....KEEP RUNNING JAMMIN PRODUCTS!!!!!!!!!!!! and everything will be good....
I strongly believe that... JAMMIN ALL THE WAY... Bro, in future if you have any tips, please remeber to advise me coz i'm still new in this hobby. thanks...
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Old 05-09-2007, 09:47 PM   #8
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Btw, can you guys please advise me, is there any other suitable pipes for JAMMIN.21 engine, for better performance. Coz the track I'm bashing now has alot of jumps after turns. Thanks...
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Old 05-09-2007, 10:10 PM   #9
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As others have said, take the engine apart, flush it out with nitro cleaner or electrical cleaner from the auto-parts store, then re-oil everything with Marvel Mystery Oil, put it back together and see how long it last.

I do not agree with the above guy that said not to use a zip-tie on the air filter. You want to get a medium size zip tie and crank it down around the filter elbow. No reason to use any type of zip-tie/o-ring on the fuel lines.
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Old 05-09-2007, 10:21 PM   #10
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Quote:
Originally Posted by JCboy_06
Btw, can you guys please advise me, is there any other suitable pipes for JAMMIN.21 engine, for better performance. Coz the track I'm bashing now has alot of jumps after turns. Thanks...
I'm running a JP2 on mine right now and like it alot. Jay gave it to me and told me to run it on it. The JP3 should be fine for it, it is a real power maker. Usually used on big tracks.

Quote:
Originally Posted by kcobra
No reason to use any type of zip-tie/o-ring on the fuel lines.
http://www.kyoshoamerica.com/techtips/fuelline.asp
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Old 05-09-2007, 10:30 PM   #11
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Quote:
Originally Posted by AZRCaddict
I'm running a JP2 on mine right now and like it alot. Jay gave and told me to run the JP2 on it. The JP3 should be fine for it, it is a real power maker. Usually used on big tracks.
Do you mean Jay Halsey? So if i use JP-2, will it be better than JP-3? In terms of performance, or shall I do something to my CRT's settings as I'm following Taylor James settings right now...
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Old 05-09-2007, 10:52 PM   #12
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the Jp 3 hard ano is the all around best pipe....most power from bottom to top.

the jp 2 will give it a smoother bottom end and great top end. also good and esier to drive.
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Old 05-09-2007, 10:54 PM   #13
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best advise on the air filter is to make sure everday you use it is to pick the car up by it and if it comes off you need to fasten it better.

it will only take a few seconds to ruin any engine if it comes off or has a whole in it or not oiled well.
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Old 05-09-2007, 10:57 PM   #14
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Quote:
Originally Posted by AZRCaddict
I'm running a JP2 on mine right now and like it alot. Jay gave it to me and told me to run it on it. The JP3 should be fine for it, it is a real power maker. Usually used on big tracks.


http://www.kyoshoamerica.com/techtips/fuelline.asp
Using that Kyosho tip certainly doesn't hurt anything and if someone wants to do it for a little extra insurance then that is fine. I don't go to the trouble of doing something like that cause in all my years of nitro racing I have never had a fuel line come off the nipple.
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Old 05-09-2007, 10:59 PM   #15
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Quote:
Originally Posted by JCboy_06
Do you mean Jay Halsey? So if i use JP-2, will it be better than JP-3? In terms of performance, or shall I do something to my CRT's settings as I'm following Taylor James settings right now...
Yes Jay Halsey. Chad Bradley said that he runs the JP3 on large tracks because it has so much power...let me find the quote. It's on the neo-buggy forum too, but I'm having problems getting on it. The JP3 has the top and bottom of the JP1 and 2 combined.

And I do the same thing as Steve, hold my car up by the filters neck.
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