Very strange breakage- that just doesn't seam to happen with these motors. Freak accident IMO.

But it looks like you didn't tkae care of that engine at all. It should not be rusting that much if at all after two gallons. What after run oil did you use?

Seams like A: you didn't use a good one B: You didn't use enough and C: You didn't coat the internals when you did it by turning the motor over enough.

Novarossi engines, though surely among the best, are not as flawless as the fanboys make out. And yes, NR has a pretty blatant fanboy contingent here at rctech.

Not the first time I've heard of and seen people having issues with NR's. The Toro Nero in particular.. Which is not to say they're still not among the best engines you can get. But they too can have inconsitencies and quality issues.

The engine was about two gallons, and the After-Run use is Mugen Seiki. First empty the tank, then I start the engine at idle, and finally put After-Run by the spark plug and carburetor, and then I do turn the motor with starter box.

Can do you damage to the motor be 6 months without using it?

Thats a very unusual breakage, especially at low rpm like you say. If it breaks like that at low RPM, I dont see how it can last 2 whole gallons before breaking, being that it must have been run at high rpm some times over that two gallon period.

Some engines have defects, don't expect any O.S. engine to be better in terms of reliability as the Nova, as O.S. engines have problems as well.

Glow plug
 

What glow plugs are you guys using for P4 tuned?
Would you recomend a different glow plug for break-in if it is necessary

I have a OS Speed ​​21XZ-B (new) in another Mugen, and still not starting. We all know that there is no perfect engine, all brands have their problems.

I think I'll buy a Bonito XLB, so I can use the same set of pipe and manifold.

for break in you can use a OD 97T, but after the first 3/4 of a gallon switch it back to the Nova C6tgc. The OD element can break loose (have not happened to me) after running hard. During break in you won't be running hard so its not that dangerous. While expensive nova plugs are still some of the best on the market (fanboy approved according to Herrsavage :D )

My price that bad?

http://www.rctech.net/forum/r-c-item...ku-clutch.html

No. I don't believe any used engine should sell for more then $100 unless it's from a highly credited engine guy. And your well under the $100 so I think The fact that you state unknown runtime is probally hurting your sale but I like your honesty.

What I suggest is if you are not hurting for cash, donate the motors. That's what I do is when I get a new mill is donate my backup motor. I mainly like to give them to guys at the track who are trying to set up a kid with a nitro class or just the dads in general who can't afford the good mills for there kids who run the weak RTR engines.

Just a thought. ;)

It's not uncommon to have to lean the HSN and LSN at least an hour each to get a new XZ-B to fire up for break in.....try it, and see if yours will start.

I went from an XZ-B Speed to a Toro Nero. Personally, I liked the NR better (easier to tune, better powerband), and would still be enjoying it, but I had a self inflicted issue recently. My goof up caused a rear bearing failure at a race this past weekend. The end result was a trashed crank, piston, and sleeve from the ceramic particles flowing around in the engine. :(

Good thing I've got that Volksmotor coming to try out....

That engine with the break on the piston skirt looks like bad fuel, and or maybe Dirt was sucked into the engine, or water.

Do someone to tested the new carburettor 24065 and venturi 5.4 in Bonito? It justifies buying this new carburetor?

Thanks. Best Regards.

I would run the 7mm in your bonito you sacrifice the smallest of fuel but its easier to tune and power is unreal:nod: since going to a 7mm insert I have noticed all my novas perform way better.

:nod:

Yes i did try the 24065 and i am not going to share my thoughts , sorry guys

Don't have to go into details, but is it that bad, or that good? :)