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Discussion Starter #1
Hey folks i am on day 3 with the new bike and wanted to see how much i should be pushing it for now,it has 150kms on it thus far probably more before get to read feedback.

cheers Jase
 

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Most of the critical engine break in happens in the first 25 miles (40 km). By then the piston rings have taken a 'seat' against the cylinder wall, and other metal to metal surfaces have begun to wear in together.

At this point just ride the bike like normal. There is no need to 'baby' it. I would however recommend not cruising at steady speeds/rpm's for at least another several hundred km's... you want to vary the rpm's by working through the gearbox and different throttle positions, as well as doing a fair amount of deceleration by engine braking. Finally, I'd recommend doing an oil & oil filter change soon... you don't have to wait until the first service at 1000 km's. I did the first oil & filter change at 250 miles on my CBR250R.

Also it's always a good idea to read through the Owner's Manual... lots of good info that you'll need to know about your new bike.
 

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While not knowing what your past motorcycle experience is, if you are an experienced rider I'd say that you can now start riding your new 300R like you stole it. You won't hurt it by running it up to redline... although I'd still recommend staying away from steady speed/steady engine rpm cruising until you at least get a few hundred more km's on the odometer.

One of the "Catch 22's" for new, first time riders who buy a brand new motorcycle, is that they more often than not do not possess the riding skills to properly break in a new engine... engines that are broken in by the cautious riding style of a beginner generally won't develop the same peak horsepower and torque as the same model bike that is broken in by an experienced rider. In other words, if you could hire Marc Marquez to put the first few hundred miles on your new bike, you'd more than likely have one of the fastest CBR300R's around. ;)
 

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Discussion Starter #5
Cheers Mike i had not riden a bike in 15 years but after a day on the cbr i am now comfortable on it and prepared to give it some and if you suggest i really push it that much well that sounds like good fun i havent yet had it anywhere near redline as these sorts of revs are new to me but great fun.

music to my ears 200kms on the odo and ready for a floggin Jase
 

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Discussion Starter #6 (Edited)
Cool so i went out today for a bit and gave it a bit more observing all speed limits...
best i could but a few highway entrys at near full flog and it is a different toy at 10k,being a "learner"rider i am "restricted"to 90kph"...

hehe... but i did observe the laws
 

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Cool so i went out today for a bit and gave it a bit more observing all speed limits...
best i could but a few highway entrys at near full flog and it is a different toy at 10k,being a "learner"rider i am "restricted"to 90kph"...

hehe... but i did observe the laws
of course :rolleyes::cool:;)
 

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Discussion Starter #8
vague question but what is the best rpm range for town riding?if i do have to sit near a steady speed it is usually around 4-5k under 4k sounds a little chuggy.

9k sounds awsome.for a moment then i have to slow down again.
 

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4500 to 5500 is a good rpm range for slower road speeds... and you're right, under 4000 rpm is pretty much lugging the engine in most situations, unless you're just running in first gear like you would in a parking lot or a similar situation.
 

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I would avoid full-throttle acceleration for at least 300 mi. That would be my preference, and I'd probably go to 500 miles if I could help it. Isn't there anything in the manual about break-in? There's so much contradictory "conclusions" when it comes to breaking an engine in. But the engine isn't the only thing breaking in which is why I would avoid full-throttle for awhile. Some people say after initial break-in that you should drive it like you normally would so that things settle in to suit how you drive. Just some thoughts I'm throwing around so don't listen to me! ;)
 

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Discussion Starter #11
Thanks guys being a noob to this all input helps.as far as giving it to it i am keeping higher changes to around 9k..ish i wouldent say i am flogging it more riding what i think feels right though i am learning these types of rpm the bike likes it's revs..me too

450kms on the odo for us Aussies or 279.6mi.. loving it

I already have an addiction for rc aircraft this could be bad
 

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CBR300R Break In Procedure...

New riders and new bike owners, lets have a chat about break in procedures...

What's The Best Way To Break-In A New Engine ?? The Short Answer: Run it Hard !

Why ??
Nowadays, the piston ring seal is really what the break in process is all about. Contrary to popular belief, piston rings don't seal the combustio pressure by spring tension. Ring tension is necessary only to "scrape" the oil to prevent it from entering the combustion chamber.

If you think about it, the ring exerts maybe 5-10 lbs of spring tension against the cylinder wall ...

How can such a small amount of spring tension seal against thousands of
PSI (Pounds Per Square Inch) of combustion pressure ?? Of course it can't.

How Do Rings Seal Against Tremendous Combustion Pressure ??

From the actual gas pressure itself !! It passes over the top of the ring, and gets behind it to force it outward against the cylinder wall. The problem is that new rings are far from perfect and they must be worn in quite a bit in order to completely seal all the way around the bore. If the gas pressure is strong enough during the engine's first miles of operation (open that throttle !!!), then the entire ring will wear into the cylinder surface, to seal the combustion pressure as well as possible.
great page on the ins and outs of break ins and how to get yourself peak power!

Break In Secrets--How To Break In New Motorcycle and Car Engines For More Power
 

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I stuck mostly with what Honda recommends, nothing to crazy for the first couple hundred miles or so. After a hundred I brought it up into the high RPM range, but not a lot. Not an expert, but I'm going to assume either method won't create any remotely significant difference in engine output. The break in on my 13 Accord was easy, all you really need to worry about are the brakes (if you want).
 

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I stuck mostly with what Honda recommends, nothing to crazy for the first couple hundred miles or so. After a hundred I brought it up into the high RPM range, but not a lot. Not an expert, but I'm going to assume either method won't create any remotely significant difference in engine output. The break in on my 13 Accord was easy, all you really need to worry about are the brakes (if you want).
the only bad thing during break in is lugging..... everyone knows the best way is to bang that ***** off the headboard :D;) ahahaa

how you liking the bike?
 

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It never hurts to go about it how they recommend you do, after all they are the one's who made the bike and it's engine
 

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I have a question. I'm about to go on 200 miles, and trying to get to this 600 mile "break-in" period that the dealership recommended, but will I see any power difference after this period? I'm avoiding highways riding to work because of this. But some of the main roads here have a speed limit of 50mph and when going that fast i'm already in 6th gear pushing 5-6000rpms. My bike is screaming at me and worries me because I haven't "broken" it in and I feel like the bike is going to over work itself.

Can I mess up my bike staying steady at 50-55mph at about 5-6k rpms?

Also it screams at the speed I do now, will it be highway worthy going around 65-70mph? As hard as the bike sounds like its working worries me.... Thanks for listening.
 

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Jase how does your CBR300r feel on the highway. I have one and about to put 200 miles on it. I've been keeping it chill so far and trying to stay in between the 4-5k rpm range, but when I take roads that have speed limit of 50mph it feel likes its screaming at me to stop, like i'm pushing the engine to hard. I know the break-in period is 600 miles, but i read an article in another post that said to give it full-throttle break-in for the first 25 miles for full power potential of the bike, but i'm already getting to 200miles....... I just want to make sure the 300 can support highway speed 60-70mph and feel good, not like the engine is going to blow up. lol...
 

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It never hurts to go about it how they recommend you do, after all they are the one's who made the bike and it's engine
That's my mentality. I know automotive engine design has come a long way, not sure about motorcycle engines, but for most mass produced vehicles break-in periods aren't nearly as important as they once were. Idiot proof some might say.

There's a similar "drive it like you stole it" mentality with breaking in new cars, but from what I've gathered this isn't necessary and will not produce favorable results. In automobiles, Honda also puts in a special break-in oil from the factory. Not sure if they do something similar with our bikes.
 

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I have just been trying to ride as I normally would. No Red line at all, maximum up to 7K, shifting when the engine sound tells me to do so, have been using engine braking coming down from 6th to 4th or 3rd based on speed.
 
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