Author Topic: Let's see your non-SOHC4 on the road  (Read 340379 times)

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Offline PeWe

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Re: Let's see your non-SOHC4 on the road
« Reply #2025 on: October 28, 2021, 06:17:43 AM »
It's waiting for you;)
You need a 4-wheeler with a coil under that will notify when detecting, a device that can dig up near to surface located targets.  A screen that show rhe location of targets.

You place the 4-wheeler right over, everything without leaving the vehicle ;D ;D
Nobody will see except you have stopped shortly.

The only yellow stuff I can find around here is chantarelle mushrooms.... :(
CB750 K6-76  970cc (Earlier 1005cc JMR Billet block on the shelf waiting for a comeback)
CB750 K2-75 Parts assembled to a stock K2

Updates of the CB750 K6 -1976
http://forums.sohc4.net/index.php/topic,180468.msg2092136.html#msg2092136
The billet block build thread
http://forums.sohc4.net/index.php/topic,49438.msg1863571.html#msg1863571
CB750 K2 -1975  build thread
http://forums.sohc4.net/index.php/topic,168243.msg1948381.html#msg1948381
K2 engine build thread. For a complete CB750 -75
http://forums.sohc4.net/index.php/topic,180088.msg2088008.html#msg2088008
Carb jetting, a long story Mikuni TMR32
http://forums.sohc4.net/index.php/topic,179479.msg2104967.html#msg2104967

Offline jas67

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Re: Let's see your non-SOHC4 on the road
« Reply #2026 on: October 28, 2021, 02:41:46 PM »
The forecast for this weekend is dismal, so, I took a few hours of "mental health time" off work for some cycle-therapy this afternoon.
There won't be too many nice days like this left until winter hits.   :(




Classic Honda:
1976 CB400F
1975 CB400F (project)
1975 GL1000
1968 CL175 (1 nice one, one project)
1967 CB77
1967 CB160 (2 of 'em, both projects)
1967 CL160 project
Triumph: 2017 Thruxton R
BMW: 2016 R1200RS, 1975 R90S, 1973 R75/5, 1980 R100S
Ducati: 2013  Monster 796, 2013 848 Evo Corse SE track beast, 1974 750GT, 1970 Mk3d 450, 1966 Monza 250
Moto Morini: 1975 (titled 1976) 3 1/2 Strada, w/ Sport clipons.
Moto Guzzi: 2017 V7III Special,  1977 Le Mans, 1974 Eldorado

Offline grcamna2

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Re: Let's see your non-SOHC4 on the road
« Reply #2027 on: October 28, 2021, 03:13:20 PM »
jas67,Does your Triumph parallel twin engine have the 270 degree offset crankshaft?
75' CB400F/'bunch o' parts' & 81' CB125S modded to a 'CB200S'
  I love the small ones too !
Do your BEST...nobody can take that away from you.

Offline jas67

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Re: Let's see your non-SOHC4 on the road
« Reply #2028 on: October 28, 2021, 05:58:03 PM »
jas67,Does your Triumph parallel twin engine have the 270 degree offset crankshaft?

Yes, it does.   It sort of sounds like a Guzzi or Ducati 90 degree V-twin.
And, oh, the torque!
Classic Honda:
1976 CB400F
1975 CB400F (project)
1975 GL1000
1968 CL175 (1 nice one, one project)
1967 CB77
1967 CB160 (2 of 'em, both projects)
1967 CL160 project
Triumph: 2017 Thruxton R
BMW: 2016 R1200RS, 1975 R90S, 1973 R75/5, 1980 R100S
Ducati: 2013  Monster 796, 2013 848 Evo Corse SE track beast, 1974 750GT, 1970 Mk3d 450, 1966 Monza 250
Moto Morini: 1975 (titled 1976) 3 1/2 Strada, w/ Sport clipons.
Moto Guzzi: 2017 V7III Special,  1977 Le Mans, 1974 Eldorado

Offline PeWe

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Re: Let's see your non-SOHC4 on the road
« Reply #2029 on: October 28, 2021, 11:43:44 PM »
Beautiful photos! Autumn can be good too.
It should be longer in rideable temp, direct followed by spring;D
I hope roads will dry up here for a ride.
CB750 K6-76  970cc (Earlier 1005cc JMR Billet block on the shelf waiting for a comeback)
CB750 K2-75 Parts assembled to a stock K2

Updates of the CB750 K6 -1976
http://forums.sohc4.net/index.php/topic,180468.msg2092136.html#msg2092136
The billet block build thread
http://forums.sohc4.net/index.php/topic,49438.msg1863571.html#msg1863571
CB750 K2 -1975  build thread
http://forums.sohc4.net/index.php/topic,168243.msg1948381.html#msg1948381
K2 engine build thread. For a complete CB750 -75
http://forums.sohc4.net/index.php/topic,180088.msg2088008.html#msg2088008
Carb jetting, a long story Mikuni TMR32
http://forums.sohc4.net/index.php/topic,179479.msg2104967.html#msg2104967

Offline jas67

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Re: Let's see your non-SOHC4 on the road
« Reply #2030 on: October 29, 2021, 03:49:58 AM »
Beautiful photos! Autumn can be good too.
It should be longer in rideable temp, direct followed by spring;D
I hope roads will dry up here for a ride.

In this part of the mid-Atlantic, autumn seems to be about 3 weeks of comfortable weather between the heat and humidity of summer, and the cold of winter, which feels like it goes on for 10 months (though, typically only lasts 4 1/2 months -- feels like forever though).

I've got heated gear, and will ride as long as the roads are salt free and dry, and the temps are above 32F (0C), though, not on the Thruxton, as it lacks heated grips and wind protection.  My R1200RS gets cold weather duty.
Classic Honda:
1976 CB400F
1975 CB400F (project)
1975 GL1000
1968 CL175 (1 nice one, one project)
1967 CB77
1967 CB160 (2 of 'em, both projects)
1967 CL160 project
Triumph: 2017 Thruxton R
BMW: 2016 R1200RS, 1975 R90S, 1973 R75/5, 1980 R100S
Ducati: 2013  Monster 796, 2013 848 Evo Corse SE track beast, 1974 750GT, 1970 Mk3d 450, 1966 Monza 250
Moto Morini: 1975 (titled 1976) 3 1/2 Strada, w/ Sport clipons.
Moto Guzzi: 2017 V7III Special,  1977 Le Mans, 1974 Eldorado

Offline 70CB750

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Re: Let's see your non-SOHC4 on the road
« Reply #2031 on: October 29, 2021, 04:02:07 AM »
The forecast for this weekend is dismal, so, I took a few hours of "mental health time" off work for some cycle-therapy this afternoon.
There won't be too many nice days like this left until winter hits.   :(





Nice pictures, I make trips up to PA every so often, my son lives in State College.
Prokop
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Pure Gas - find ethanol free gas station near you

I love it when parts come together.

Dorothy - my CB750
CB750K3F - The Red
Sidecar


CB900C

2006 KLR650

Offline Terry in Australia

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Re: Let's see your non-SOHC4 on the road
« Reply #2032 on: October 31, 2021, 01:36:55 AM »
Finally, here in the lower end of the land of Oz the sun is shining, and while not really warm today it wasn't cold either. So far this week I've done a 100+ miler on my CB750 K2 bitsa, a 70 miler on the Harley Sportster, so today I took one of my 2300cc Triumph Rocket III's for a 150 mile ride to scrub in the new Avon tyres that I had fitted back in March or April, before one of the 2 or 3 "lockdowns that we had to have" ruined my motorcycle riding winter.

Rocket III Sunday 31 Oct 2021 8b by Terry Prendergast, on Flickr

It's amazing how new tyres transform the handling of a bike. The original Metzlers never let me down, but as they slowly degenerated over 14 years and 14000 Km (9000 miles, give or take) I found myself having to really push the bike over in corners to get around them at speed. The guys on the R3 website and FB forums all told me to get the Avons this time around and I really thought it was just hype, but I was pleasantly surprised today at how quickly and easily I could make it change direction. Of course that lead to increased (naughty) speeds, but I was lucky not to attract the attention of the Gendarmes who were out and about raising much needed tax dollars for our embattled state government, who have been living on a prayer for the last 2 years, with 267(?) days locked down since March 2020.

Rocket III Sunday 31 Oct 2021 7b by Terry Prendergast, on Flickr

All in all a great day, and by the time I got home I'd forgotten about flat batteries and stale fuel this morning. Next bike ride (tomorrow or Tuesday) will be the poor old K0, that once again has been sitting, unloved, since February or March. ;D

Rocket III Sunday 31 Oct 2021 5 by Terry Prendergast, on Flickr
I was feeling sorry for myself because I couldn't afford new bike boots, until I met a man with no legs.

So I said, "Hey mate, you haven't got any bike boots you don't need, do you?"

"Crazy is a very misunderstood term, it's a fine line that some of us can lean over and still keep our balance" (thanks RB550Four)

ken65

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Re: Let's see your non-SOHC4 on the road
« Reply #2033 on: October 31, 2021, 02:58:48 AM »
Geez that's a big brute of a thing.  I've never thrown a leg over one of  those big  boys.

How would you compare it to a hayabusa as far as legs go? If your've jumped on one that is?
I had an R1 (98)  for a few years and the acceleration was mind blowing.
 I couldn't imagine riding something faster.

Offline Terry in Australia

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Re: Let's see your non-SOHC4 on the road
« Reply #2034 on: October 31, 2021, 03:09:39 AM »
Geez that's a big brute of a thing.  I've never thrown a leg over one of  those big  boys.

How would you compare it to a hayabusa as far as legs go? If your've jumped on one that is?
I had an R1 (98)  for a few years and the acceleration was mind blowing.
 I couldn't imagine riding something faster.


G'Day Ken, I've ridden a Hayabusa and an R1, both are very quick bikes and of course, the R1 in particular is much happier on tight bendy roads than the Rocket III, and the Hayabusa is really more of a very fast tourer, but for just massive torque, they both pale in comparison. I was tooling along doing 100 Kph (60+ MPH for our US cousins) @ 2200 RPM  in 5th gear today when some young dick in a sh1tbox Camry decided to overtake me, so I cranked on the throttle and within around 3 seconds I was doing 220 KPH (138 MPH) and he was just a dot in my mirrors. It is certainly happier on fast sweeping bends than tight stuff, but Triumph over engineered the R3 frame, and it is pretty much flex free, so doesn't wallow like a Harley Softail or a Gold Wing. ;D
I was feeling sorry for myself because I couldn't afford new bike boots, until I met a man with no legs.

So I said, "Hey mate, you haven't got any bike boots you don't need, do you?"

"Crazy is a very misunderstood term, it's a fine line that some of us can lean over and still keep our balance" (thanks RB550Four)

Offline grcamna2

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Re: Let's see your non-SOHC4 on the road
« Reply #2035 on: October 31, 2021, 09:02:16 AM »
Geez that's a big brute of a thing.  I've never thrown a leg over one of  those big  boys.

How would you compare it to a hayabusa as far as legs go? If your've jumped on one that is?
I had an R1 (98)  for a few years and the acceleration was mind blowing.
 I couldn't imagine riding something faster.


G'Day Ken, I've ridden a Hayabusa and an R1, both are very quick bikes and of course, the R1 in particular is much happier on tight bendy roads than the Rocket III, and the Hayabusa is really more of a very fast tourer, but for just massive torque, they both pale in comparison. I was tooling along doing 100 Kph (60+ MPH for our US cousins) @ 2200 RPM  in 5th gear today when some young dick in a sh1tbox Camry decided to overtake me, so I cranked on the throttle and within around 3 seconds I was doing 220 KPH (138 MPH) and he was just a dot in my mirrors. It is certainly happier on fast sweeping bends than tight stuff, but Triumph over engineered the R3 frame, and it is pretty much flex free, so doesn't wallow like a Harley Softail or a Gold Wing. ;D

Terry,does your Rocket III have any particular powerband on the tach,possible much more 'Blast' up toward the high rpm's like most motorcycles ? Or does it have the same power all the way through it's revs ?  I'm thinking maybe it's a somewhat flat torquey powerband like any 'car engine' normally has?
75' CB400F/'bunch o' parts' & 81' CB125S modded to a 'CB200S'
  I love the small ones too !
Do your BEST...nobody can take that away from you.

Offline PeWe

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CB750 K6-76  970cc (Earlier 1005cc JMR Billet block on the shelf waiting for a comeback)
CB750 K2-75 Parts assembled to a stock K2

Updates of the CB750 K6 -1976
http://forums.sohc4.net/index.php/topic,180468.msg2092136.html#msg2092136
The billet block build thread
http://forums.sohc4.net/index.php/topic,49438.msg1863571.html#msg1863571
CB750 K2 -1975  build thread
http://forums.sohc4.net/index.php/topic,168243.msg1948381.html#msg1948381
K2 engine build thread. For a complete CB750 -75
http://forums.sohc4.net/index.php/topic,180088.msg2088008.html#msg2088008
Carb jetting, a long story Mikuni TMR32
http://forums.sohc4.net/index.php/topic,179479.msg2104967.html#msg2104967

Offline MauiK3

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Re: Let's see your non-SOHC4 on the road
« Reply #2037 on: October 31, 2021, 04:38:57 PM »
I know the Rocket III's are set up for low end tractability but that seems like not much power for such a large engine. I've never ridden one so I can't speak of how the motor feels, I imagine it's like a freight train and likely doesn't care what gear it's in to get going. Being that they are an in line 3 I wonder if they have a rocking motion when the throttle is blipped.
Cool bike.
1973 CB 750 K3
10/72 build Z1 Kawasaki

Offline Terry in Australia

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Re: Let's see your non-SOHC4 on the road
« Reply #2038 on: October 31, 2021, 05:19:57 PM »
Thanks guys, I think I posted the Dyno sheet back in 2009 when I bought the bike off my brother? I never intended to buy one as they were horribly expensive (I've got the receipt for $32500 AUD that my brother paid for it when he ordered it with all the fruit in 2007) but my brother rang me out of the blue in 2009 and needed some dough, and offered to sell me the bike with 36 Kilometres on the odo for $15000, so I flew to Whyalla and rode it the 850 miles back home. Back then I had a BMW K1100LT, which was a fantastic fast tourer, and the Triumph just felt like a bigger, much more powerful BMW.

Of course I can't leave things alone, so I bought a Jardine "Big Boss" exhaust, Power Commander III, and K&N filter, and took it to Melbourne Triumph to get them to do any final tuning that it might need, as I didn't want to blow it up. They gave it a mild tune, and it was producing 140.7 BHP and 147 foot pounds of torque at the back wheel. If I assume (incorrectly, probably) a 15% loss through the drive train, that's about 162 BHP and 170 foot pounds of torque at the crank? That's not bad for an under stressed triple in a very mild state of tune that makes 90% of max torque @ 2000 RPM. The fuel economy isn't bad either, about the same as a CB750, because the engine's only turning 2200 RPM @ 60 MPH.

There's a guy in Adelaide who will happily increase the BHP to 270 without bolting on a blower or turbo, but for some reason, I haven't felt the urge? There are certainly much faster bikes out there, but I'm happy just tootling along on it as is, with a modicum of reliability. ;D   
I was feeling sorry for myself because I couldn't afford new bike boots, until I met a man with no legs.

So I said, "Hey mate, you haven't got any bike boots you don't need, do you?"

"Crazy is a very misunderstood term, it's a fine line that some of us can lean over and still keep our balance" (thanks RB550Four)

Offline PeWe

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Re: Let's see your non-SOHC4 on the road
« Reply #2039 on: October 31, 2021, 09:47:45 PM »
No need of more power than those numbers on a street bike, thats for sure! ;D
CB750 K6-76  970cc (Earlier 1005cc JMR Billet block on the shelf waiting for a comeback)
CB750 K2-75 Parts assembled to a stock K2

Updates of the CB750 K6 -1976
http://forums.sohc4.net/index.php/topic,180468.msg2092136.html#msg2092136
The billet block build thread
http://forums.sohc4.net/index.php/topic,49438.msg1863571.html#msg1863571
CB750 K2 -1975  build thread
http://forums.sohc4.net/index.php/topic,168243.msg1948381.html#msg1948381
K2 engine build thread. For a complete CB750 -75
http://forums.sohc4.net/index.php/topic,180088.msg2088008.html#msg2088008
Carb jetting, a long story Mikuni TMR32
http://forums.sohc4.net/index.php/topic,179479.msg2104967.html#msg2104967

Offline jas67

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Re: Let's see your non-SOHC4 on the road
« Reply #2040 on: November 01, 2021, 03:39:38 AM »
My newly acquired 1976 Moto Morini 3 1/2 Strada (w/ clip-ons from a 3 1/2 Sport).

OK, it's my driveway, not a road, but, I did take this right before going for a ride on it.
Classic Honda:
1976 CB400F
1975 CB400F (project)
1975 GL1000
1968 CL175 (1 nice one, one project)
1967 CB77
1967 CB160 (2 of 'em, both projects)
1967 CL160 project
Triumph: 2017 Thruxton R
BMW: 2016 R1200RS, 1975 R90S, 1973 R75/5, 1980 R100S
Ducati: 2013  Monster 796, 2013 848 Evo Corse SE track beast, 1974 750GT, 1970 Mk3d 450, 1966 Monza 250
Moto Morini: 1975 (titled 1976) 3 1/2 Strada, w/ Sport clipons.
Moto Guzzi: 2017 V7III Special,  1977 Le Mans, 1974 Eldorado

Offline Trevor from Warragul

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Re: Let's see your non-SOHC4 on the road
« Reply #2041 on: November 01, 2021, 03:46:06 AM »
Welcome to the world of sublime Morini handling!
1971 Kawasaki H1A
1972 Honda CB350F
1976 Moto Morini 3 1/2 Sport
1978 Honda CBX
1997 Suzuki Bandit 1200
1999 Ducati Monster 750

Offline simon#42

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Re: Let's see your non-SOHC4 on the road
« Reply #2042 on: November 01, 2021, 03:48:13 AM »
And dreadful electrics !   Nice bike though

Offline jas67

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Re: Let's see your non-SOHC4 on the road
« Reply #2043 on: November 01, 2021, 04:22:22 AM »
And dreadful electrics !   Nice bike though

The electrics on my vintage Moto Guzzis and Ducatis have been no worse than same-era Hondas.    Hopefully, the
Morini is the same.
Classic Honda:
1976 CB400F
1975 CB400F (project)
1975 GL1000
1968 CL175 (1 nice one, one project)
1967 CB77
1967 CB160 (2 of 'em, both projects)
1967 CL160 project
Triumph: 2017 Thruxton R
BMW: 2016 R1200RS, 1975 R90S, 1973 R75/5, 1980 R100S
Ducati: 2013  Monster 796, 2013 848 Evo Corse SE track beast, 1974 750GT, 1970 Mk3d 450, 1966 Monza 250
Moto Morini: 1975 (titled 1976) 3 1/2 Strada, w/ Sport clipons.
Moto Guzzi: 2017 V7III Special,  1977 Le Mans, 1974 Eldorado

Offline BenelliSEI

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Re: Let's see your non-SOHC4 on the road
« Reply #2044 on: November 01, 2021, 07:27:24 AM »
The bar end switches on my Benelli 750 SEI were a bit frustrating (I really considered installing a set of repro 750’s). Once sorted, no other real issues.

Offline MauiK3

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Re: Let's see your non-SOHC4 on the road
« Reply #2045 on: November 01, 2021, 07:43:58 AM »
Beautiful little bike
1973 CB 750 K3
10/72 build Z1 Kawasaki

Offline simon#42

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Re: Let's see your non-SOHC4 on the road
« Reply #2046 on: November 01, 2021, 11:36:48 AM »
And dreadful electrics !   Nice bike though

The electrics on my vintage Moto Guzzis and Ducatis have been no worse than same-era Hondas.    Hopefully, the
Morini is the same.


they are well known for ignition and charging problems  , on the other hand they handle well and use very little fuel even when ridden hard

Offline Trevor from Warragul

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Re: Let's see your non-SOHC4 on the road
« Reply #2047 on: November 01, 2021, 08:29:57 PM »
Out and about in Warragul (Victoria, Australia) today.  58 miles through the hills.  While I was taking this photo I thought to myself "Sure is a pretty blue".  Also, I saw a green H1 in Warragul downtown last Saturday - anyone from here?

1971 Kawasaki H1A
1972 Honda CB350F
1976 Moto Morini 3 1/2 Sport
1978 Honda CBX
1997 Suzuki Bandit 1200
1999 Ducati Monster 750

Offline Trevor from Warragul

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Re: Let's see your non-SOHC4 on the road
« Reply #2048 on: November 01, 2021, 08:37:01 PM »
Quote
they are well known for ignition and charging problems

The stator has one coil specifically for ignition. The windings on these was probably sub-par from new, and they often break down.  I got mine rewound & it's terrific now.  The good thing about this system is you can ride on a completely flat battery.  The flywheel can lose its magnetism (mine was okay).  I also fitted a North Leicester Motorcycles (NLM) pickup, and Wolfgang Tritsch transducers.  The ignition is completely sorted.  Also, I gave up on the awful square slide Dellorto carbies & fitted Mikunis.
1971 Kawasaki H1A
1972 Honda CB350F
1976 Moto Morini 3 1/2 Sport
1978 Honda CBX
1997 Suzuki Bandit 1200
1999 Ducati Monster 750

Offline grcamna2

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Re: Let's see your non-SOHC4 on the road
« Reply #2049 on: November 01, 2021, 09:28:59 PM »
Out and about in Warragul (Victoria, Australia) today.  58 miles through the hills.  While I was taking this photo I thought to myself "Sure is a pretty blue".  Also, I saw a green H1 in Warragul downtown last Saturday - anyone from here?



The H1 has an engine that will spin-up a bit more than the H2:will yours pull past the redline ?
« Last Edit: November 01, 2021, 11:11:25 PM by grcamna2 »
75' CB400F/'bunch o' parts' & 81' CB125S modded to a 'CB200S'
  I love the small ones too !
Do your BEST...nobody can take that away from you.