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+--- Thread: Honda CB350 H'ness (/showthread.php?tid=6270)
RE: Honda CB350 H'ness - Tev62 - 02-06-2025
Emission regulations just show how strangled they have bikes though. My old CB350K4 make 32HP-36HP (depending on where you read). Fifty years later and a 350cc is making 20HP?
RE: Honda CB350 H'ness - Django - 02-06-2025
My Yamaha RD 350 in the seventies had 39 HP. But then BMW S1000RR with 999cc has 212 HP, despite emission regulations.
RE: Honda CB350 H'ness - the Ferret - 02-06-2025
(02-06-2025, 02:20 AM)Tev62_imp Wrote: Emission regulations just show how strangled they have bikes though. My old CB350K4 make 32HP-36HP (depending on where you read). Fifty years later and a 350cc is making 20HP?
Then again the CB 350 K series was a twin and the H'ness is only a single
the 1983 CB 1100 made 108 hp our CB 1100 makes only 88 both 4 cyls.
divide an 88 hp 4 cyl into 4ths and you get 22 hp per cyl
divide 88 hp 4 cyl by 2 and you get 44 hp
so both the H'ness and the CB 350K both are basically close to the same power as our CB 1100's per cylinder
RE: Honda CB350 H'ness - the Ferret - 02-06-2025
Japanese motorcycle mfgs don't have the same mindset that KTM does. Japan doesn't build high stressed engines for the masses. Once the horsepower wars of the 70s and 80s was over, the Japanese basically quit competing for horsepower, especially Honda.
If you look up the top 20 hp bikes Honda only has 2 on that list.... one a limited edition bike based off their motogp bike, the RC213V-S that cost $184,000 plus $12k extra for the go fast kit.
Could they get 40 hp out of a street single ? I have no doubt. Could they get more than 108 hp out of an 1100cc 4 cylinder? Again, I have no doubt. But they don't, because it is not their way. They build milqtoast bikes for the everyman, not highly stressed bikes for the performance enthusiast.
Compared to a KTM 390...how many horses in a Yamaha SR 400 single? Both single cylinder bikes with a 400ish cc motor
RE: Honda CB350 H'ness - Tev62 - 02-06-2025
(02-06-2025, 07:43 AM)The ferret_imp Wrote:(02-06-2025, 02:20 AM)Tev62_imp Wrote: Emission regulations just show how strangled they have bikes though. My old CB350K4 make 32HP-36HP (depending on where you read). Fifty years later and a 350cc is making 20HP?
Then again the CB 350 K series was a twin and the H'ness is only a single
the 1983 CB 1100 made 108 hp our CB 1100 makes only 88 both 4 cyls.
divide an 88 hp 4 cyl into 4ths and you get 22 hp per cyl
divide 88 hp 4 cyl by 2 and you get 44 hp
so both the H'ness and the CB 350K both are basically close to the same power as our CB 1100's per cylinder
Then again the CB 350 K series was a twin and the H'ness is only a single
the 1983 CB 1100 made 108 hp our CB 1100 makes only 88 both 4 cyls.
divide an 88 hp 4 cyl into 4ths and you get 22 hp per cyl
divide 88 hp 4 cyl by 2 and you get 44 hp
so both the H'ness and the CB 350K both are basically close to the same power as our CB 1100's per cylinder
Mmm, OK. Not sure I like the cylinder comparison argument but I see what you are getting at.
My comment was not a criticism at Honda, just a comparison of what manufacturers have to do to meet emission regs then and now. The key to engine efficiency is being able to run at high compression ratios (CR). These small capacity air-cooled bikes just cannot run high CR and meet emission regs with their required tolerances. Just look at the great power coming out of the new RE450 motors and the Triumph 400's. Their water jacket allows them tight tolerances curbing those emissions and allows them to extract that much more power.
I've always equated these modern air-cooled 350's in my mind to an old mates Suzuki SB200, a great little 2-stroke. Similar 18-20HP but at a nifty 255lbs Vs a RE350 at around 398lbs. Given the choice I'd take that SB200 any day but then give it to a buddy to ride so I could ride behind it and smell that exhaust!
RE: Honda CB350 H'ness - alprider - 02-07-2025
Emission regulations
thats it over and amen.........
--------------------------------------------------------
personal
and power is not all ""for me"" of this world.......I am not a convinced 125 rider for nothing...the way I drive and where I drive I no longer need power in addition
now this GB i look it as a fine tuned 125....thats it.....end
RE: Honda CB350 H'ness - peterbaron - 02-07-2025
Alp, is your yellow CB1100 already traded in for the CB350?
RE: Honda CB350 H'ness - alprider - 02-07-2025
not yet.....my dealer makes this week snow-holiday in our mountains......
I wanted to go for a farewell ride anyway, but we have cold winter weather......and I still have work
RE: Honda CB350 H'ness - the Ferret - 02-07-2025
They most likely will not even bring it here.
RE: Honda CB350 H'ness - pekingduck - 02-07-2025
I love singles, and I hope they do bring it here. I'd definitely be an owner. It's a niche American Honda has largely ignored. 21 hp is on par with the Royal Enfield Continental GT 500 that was not a rocket but was well received.
I've had a couple Suzuki singles, a TU250X that I put Triumph badges and lights and muffler on, and a 650 Savage that I turned into a street scrambler, and both were blasts to build and ride.