I literally couldn't get it out of first gear 90% of the time on the fun, twisty, hilly trails at my buddies house. The bike was always running the fan and I was always reving up and down first. I took a mildly educated guess and swapped a 45t in. PERFECT range now. It's a trail weapon and runs perfectly fine about the city and countryside... where a d/s belongs. Who are the people running 75 on these things anyway???
Lots of people use these as adventure touring bikes. And off there is boring hwy sections between the cool bits. Awesome that the 45 is working so well for you!
Im hoping to install the cbr300r camshafts and intake tube to increase power after 8400 rpm. Increasing the useable rpm range of the bike. Stay tuned for camshaft installation and dyno results
It measures it of the transmission output shaft. You can use a speedo healer to correct your speedometer after gearing changes. I have never used a speedo healer. I just figure out the % I'm out; and correct for it in my head. Stock the bike is out 5-7% so 100km/h on the speedo is only 93 or 95 gps. 105kph = 100 kph
Just changing the front sprocket to a 15 drops the revs to about 6375 rpms at 70 mph in 6th gear. Down from about 6,850 rpms with the stock gearing. And since you still have that 1st granny gear (yes, still), you should be able to still take off in 2nd and feel little or no effect on the trail. So besides this, changing the seat to a seat concepts at $325, adding a Parabellum windscreen at $109, extended range fuel tank (acerbis/ims) which is about 3.5 gals at about $300, tusk handguard with turn signals at about less than $80 (many to choose) you are at under $800 for long term highway riding. Then.....don't forget about the suspension, which may be another $1,000 on top. Finally, if you are travelling you need some luggage and rack($$$). Oh wait, I forgot about ECU, filter/airbox mode and slip on.....I think you may be at $3K by now? Throw in the price of what you, the consumer, paid for the bike. How much are we at? (The tires can be changed for better ones when they wear out....) How much is that KTM390 adventure for? $7,400? And that included an excellent suspension, enough power that you will not need to upgrade, no screen needed since its included, a 3.8 gallon fuel tank and it weighs in at less than 50lbs more than that crf300 rallye model. Just change the tires to lean on the more aggressive off-road side when they are worn out. Yes the Honda will be more off-road oriented but you do need to modify it...a lot and at a cost, to offer what the KTM does.
I personally dont feel like a 15 tooth front sprocket is a good idea. The crf300l doesn't have the power to pull it. At most id use 14/39 gearing. As for the ktm390. It has street bike geometry with slanted footpegs and not very much ground clearance.
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thanks for the informative lesson.
I literally couldn't get it out of first gear 90% of the time on the fun, twisty, hilly trails at my buddies house. The bike was always running the fan and I was always reving up and down first. I took a mildly educated guess and swapped a 45t in. PERFECT range now. It's a trail weapon and runs perfectly fine about the city and countryside... where a d/s belongs. Who are the people running 75 on these things anyway???
Lots of people use these as adventure touring bikes. And off there is boring hwy sections between the cool bits.
Awesome that the 45 is working so well for you!
Very good information and thanks for sharing. Now I have something to refer to. 👍🏻
Glad it was helpful!
So informative. Hope you post many more.
Interesting 🤔 Thanks 🙏
Im hoping to install the cbr300r camshafts and intake tube to increase power after 8400 rpm. Increasing the useable rpm range of the bike.
Stay tuned for camshaft installation and dyno results
Does 300l measure speed on a crank or wheel? Do you have to fix your speedo reading after gering change?
It measures it of the transmission output shaft. You can use a speedo healer to correct your speedometer after gearing changes.
I have never used a speedo healer. I just figure out the % I'm out; and correct for it in my head.
Stock the bike is out 5-7% so 100km/h on the speedo is only 93 or 95 gps. 105kph = 100 kph
Just changing the front sprocket to a 15 drops the revs to about 6375 rpms at 70 mph in 6th gear. Down from about 6,850 rpms with the stock gearing. And since you still have that 1st granny gear (yes, still), you should be able to still take off in 2nd and feel little or no effect on the trail.
So besides this, changing the seat to a seat concepts at $325, adding a Parabellum windscreen at $109, extended range fuel tank (acerbis/ims) which is about 3.5 gals at about $300, tusk handguard with turn signals at about less than $80 (many to choose) you are at under $800 for long term highway riding. Then.....don't forget about the suspension, which may be another $1,000 on top. Finally, if you are travelling you need some luggage and rack($$$). Oh wait, I forgot about ECU, filter/airbox mode and slip on.....I think you may be at $3K by now?
Throw in the price of what you, the consumer, paid for the bike.
How much are we at?
(The tires can be changed for better ones when they wear out....)
How much is that KTM390 adventure for? $7,400? And that included an excellent suspension, enough power that you will not need to upgrade, no screen needed since its included, a 3.8 gallon fuel tank and it weighs in at less than 50lbs more than that crf300 rallye model. Just change the tires to lean on the more aggressive off-road side when they are worn out. Yes the Honda will be more off-road oriented but you do need to modify it...a lot and at a cost, to offer what the KTM does.
I personally dont feel like a 15 tooth front sprocket is a good idea. The crf300l doesn't have the power to pull it.
At most id use 14/39 gearing.
As for the ktm390. It has street bike geometry with slanted footpegs and not very much ground clearance.
A 15t!?!?😅 That is crazy.