\', Honda CB750/900/1100F SuperSport Website, \' - \', Dedicated to Honda SuperSport lovers past present and future., \'
  Login or Register
Modules
 
 
User Info
Last SeenLast Seen
Server TrafficServer Traffic
  • Total: 36,722,292
  • Today: 24,756
Server InfoServer Info
  • Jul 11, 2020
  • 10:30 am PDT
 
 
Honda CB750/900/1100F SuperSport Website: SuperSport Forums


View next topic
View previous topic
Post new topic   Reply to topic    www.cb1100f.net Forum Index -> General Chit Chat
Author Message
JJam
Red CB1100F
Red CB1100F



Joined: Nov 08, 2009
Posts: 3622
Location: Sandy OR

PostPosted: Tue Mar 24, 2020 8:29 pm Reply with quote Back to top

Hi people. I hope everyone is doing good?

Here is a little something to brighten your day.

I just got done with this engine. Here's the spec's

Custom made Pistons with V&H style domes. 68.5mm = 1017cc's
Megacycle 900 lift cams with 15 degree's more duration then 900 cams. (I didn't pick these) It will have more torque because of less valve overlap which means more compression. It is in the 12.5 to 1 range.
Windage windows.
1100 rods.
1000C block.
1000C transmission.
JES BUILT port job, welded up combustion chambers, re-cut stock valves, spark plugs sank 1.5mm.
Stock 900 crankshaft.
Headless banded clutch basket, Wouts rubbers, KG powersports fibers, two steel plates.
Chatter gear on the end of the primary shaft has been modified to have no teeth. Lets the engine spin easier.
Headless oil pickup screen.
CBXtras primary rubbers.
All new main and rod bearings.
All 3 V&H guides and Borg Warner chains.
V&H shift detent.
Dyna2000 ignition.
CR33's
Bassani pipe.
Degreed in cams to Megacycle specs at 108 x 108

Lets go for the first test ride now. (This was after quite a few heat cycles in the shop. I never went over half throttle)

[youtube]https://youtu.be/b6Ykr_GGYdM[/youtube]


Last edited by JJam on Wed Mar 25, 2020 3:42 pm; edited 1 time in total 
View user's profile Send private message Send e-mail
JJam
Red CB1100F
Red CB1100F



Joined: Nov 08, 2009
Posts: 3622
Location: Sandy OR

PostPosted: Tue Mar 24, 2020 8:34 pm Reply with quote Back to top

Hmmm? I guess I don't know how to make the link work??
 
View user's profile Send private message Send e-mail
tomk1960
Red CB1100F
Red CB1100F



Joined: Nov 13, 2009
Posts: 4416
Location: Worcester, MA

PostPosted: Tue Mar 24, 2020 8:38 pm Reply with quote Back to top

This should work, Jim: Wikkid fast JimJam Bike

_________________
www.tomscyclerecycling.com
Powder coating services, specializing in all F components as well as brake system restoration.
Dealer for Galfer, Spiegler, Apex, APE, 4-into-1, KOSO, Venhill, ProBoltUSA, and Cometic.
CB1100F's - multiple flavors 
View user's profile Send private message Send e-mail Visit poster's website Yahoo Messenger
DrOlds
Silver CB900F
Silver CB900F



Joined: Feb 23, 2008
Posts: 1192
Location: Watertown NY USA

PostPosted: Tue Mar 24, 2020 8:50 pm Reply with quote Back to top

Nice job Jim! Break them in like they are going to be ridden.... that's what I do!!! If you let YouTube run after your video it goes to SteveG's pretty 900F after he did the motor and installed Wiesco's

_________________
The object of life is not to be on the side of the majority, but to escape finding oneself in the ranks of the insane.
Marcus Aurelius 
View user's profile Send private message Send e-mail
Fitter
Friend of the Board
Friend of the Board



Joined: Mar 31, 2005
Posts: 1802
Location: Ottawa, Canada

PostPosted: Tue Mar 24, 2020 9:01 pm Reply with quote Back to top

Wow, is it ever green there! That looks like our summer weather, just another month or so to go.

And your right, It did brighten my day Very Happy
 
View user's profile Send private message Send e-mail
wamkap1100
Black CB900F
Black CB900F



Joined: May 07, 2005
Posts: 1707
Location: Oneonta,NY

PostPosted: Tue Mar 24, 2020 9:48 pm Reply with quote Back to top

I know. It looks like island weather there. Great job sounds really good
 
View user's profile Send private message Send e-mail
JJam
Red CB1100F
Red CB1100F



Joined: Nov 08, 2009
Posts: 3622
Location: Sandy OR

PostPosted: Tue Mar 24, 2020 10:23 pm Reply with quote Back to top

Thanks Tom for the link. And Thank you guys for the compliment. It has been really nice here until the day after the test. Now all rain.

I have been calling dyno shops but most won't touch carbs anymore. Even if I do the jet changes. I'll find one here soon.
I'm hoping for 125 to 130 rwhp out of this one.

Peace, Jim
 
View user's profile Send private message Send e-mail
sachelrhymes
Hawk
Hawk



Joined: Aug 30, 2009
Posts: 381
Location: schuylerville ny

PostPosted: Wed Mar 25, 2020 3:08 am Reply with quote Back to top

that was fun.
 
View user's profile Send private message
AlaskaGriz
Friend of the Board
Friend of the Board



Joined: Nov 04, 2005
Posts: 7632
Location: Anchorage, Alaska

PostPosted: Wed Mar 25, 2020 4:27 am Reply with quote Back to top

Nice rocket ship ride right there. Thanks for the excitement. Very Happy

Dave

_________________
1981 CB900F 
View user's profile Send private message Send e-mail
1980CB750F
Black CB750F
Black CB750F



Joined: Mar 01, 2006
Posts: 897
Location: Georgetown, Delaware

PostPosted: Wed Mar 25, 2020 2:45 pm Reply with quote Back to top

Very cool. It's not riding weather here so I put my helmet on, turned up the volume and blew a fan in my face. What a blast!
 
View user's profile Send private message
grump
Red CB1100F
Red CB1100F



Joined: Jul 13, 2004
Posts: 5510
Location: Grass Valley,California, USA

PostPosted: Wed Mar 25, 2020 3:08 pm Reply with quote Back to top

Great job Jim.
 
View user's profile Send private message Send e-mail
ctluba
CB1100F
CB1100F



Joined: Jul 19, 2010
Posts: 3364
Location: Ct

PostPosted: Wed Mar 25, 2020 3:19 pm Reply with quote Back to top

Sounds great Very Happy

_________________
Image 
View user's profile Send private message
cntrhub
Friend of the Board
Friend of the Board



Joined: Nov 23, 2004
Posts: 1461
Location: Kansas City, KA.

PostPosted: Wed Mar 25, 2020 3:35 pm Reply with quote Back to top

ctluba wrote:
Sounds great Very Happy


That it does.
 
View user's profile Send private message
f4fast
Friend of the Board
Friend of the Board



Joined: Jul 09, 2005
Posts: 21969
Location: Long Island,N.Y.

PostPosted: Wed Mar 25, 2020 4:21 pm Reply with quote Back to top

Id be interested in seeing more about using the 1000c block for chain applications....any advantage over a regular doughnut block with the bore holes opened?

Sounds good!

_________________
1983 cb1100f (blue)
1980 cb750f original owner (black) 
View user's profile Send private message
headless
Black CB900F
Black CB900F



Joined: Sep 03, 2008
Posts: 1989
Location: Eugene, OR

PostPosted: Wed Mar 25, 2020 4:49 pm Reply with quote Back to top

That's friggin awesome, Jim. Are you running the tapered spigots?

_________________
Cary 
View user's profile Send private message Send e-mail
barmcd
MB-5
MB-5



Joined: Apr 12, 2019
Posts: 19
Location: texas

PostPosted: Thu Mar 26, 2020 2:23 am Reply with quote Back to top

Sounds great
 
View user's profile Send private message
brett_s
Hawk
Hawk



Joined: May 10, 2004
Posts: 271
Location: Sheboygan Falls WI

PostPosted: Thu Mar 26, 2020 2:47 am Reply with quote Back to top

That is awesome! Sounds great!

Brett
 
View user's profile Send private message
genesound
Red CB1100F
Red CB1100F



Joined: Feb 20, 2006
Posts: 11067
Location: Studio City, California

PostPosted: Thu Mar 26, 2020 3:00 am Reply with quote Back to top

Very nice, Jim! Mr. Green

_________________

We don't see things as they are
we see things as we are

Viton Valve Stem Seals
12.9 Cam Holder Bolts

Image 
View user's profile Send private message Send e-mail Visit poster's website
JJam
Red CB1100F
Red CB1100F



Joined: Nov 08, 2009
Posts: 3622
Location: Sandy OR

PostPosted: Thu Mar 26, 2020 4:18 pm Reply with quote Back to top

f4fast wrote:
Id be interested in seeing more about using the 1000c block for chain applications....any advantage over a regular doughnut block with the bore holes opened?

Sounds good!


Steve, I call the cylinder block the block. The cases are the cases. But to answer your question. I have used 1000c cases on a chain driven bike. I saw no issues or difference other than needing solid plugs in the front engine mounts.
 
View user's profile Send private message Send e-mail
f4fast
Friend of the Board
Friend of the Board



Joined: Jul 09, 2005
Posts: 21969
Location: Long Island,N.Y.

PostPosted: Thu Mar 26, 2020 4:33 pm Reply with quote Back to top

JJam wrote:
f4fast wrote:
Id be interested in seeing more about using the 1000c block for chain applications....any advantage over a regular doughnut block with the bore holes opened?

Sounds good!


Steve, I call the cylinder block the block. The cases are the cases. But to answer your question. I have used 1000c cases on a chain driven bike. I saw no issues or difference other than needing solid plugs in the front engine mounts.


Ahh...got it..thank you for clarifying

What head gasket did you use for the 1000 bore size? Custom copper?

_________________
1983 cb1100f (blue)
1980 cb750f original owner (black) 
View user's profile Send private message
JJam
Red CB1100F
Red CB1100F



Joined: Nov 08, 2009
Posts: 3622
Location: Sandy OR

PostPosted: Thu Mar 26, 2020 4:42 pm Reply with quote Back to top

The pistons are custom made 68.5mm to fit the modified combustion chambers. They are to big to fit stock 900 sleeves. This is why the 1000C block was needed. I have my own brand of copper gaskets for both the head and base gaskets. I also have paper base gaskets in various thicknesses to achieve a zero deck. My copper head gaskets are made small and I file to fit them to each cylinder. By doing this I get the best fit possible.
 
View user's profile Send private message Send e-mail
f4fast
Friend of the Board
Friend of the Board



Joined: Jul 09, 2005
Posts: 21969
Location: Long Island,N.Y.

PostPosted: Thu Mar 26, 2020 4:45 pm Reply with quote Back to top

JJam wrote:
The pistons are custom made 68.5mm to fit the modified combustion chambers. They are to big to fit stock 900 sleeves. This is why the 1000C block was needed. I have my own brand of copper gaskets for both the head and base gaskets. I also have paper base gaskets in various thicknesses to achieve a zero deck. My copper head gaskets are made small and I file to fit them to each cylinder. By doing this I get the best fit possible.


I think I could use a set of those. Have a 1000c top end to go on 750 cases

_________________
1983 cb1100f (blue)
1980 cb750f original owner (black) 
View user's profile Send private message
JJam
Red CB1100F
Red CB1100F



Joined: Nov 08, 2009
Posts: 3622
Location: Sandy OR

PostPosted: Thu Mar 26, 2020 6:19 pm Reply with quote Back to top

f4fast wrote:
JJam wrote:
The pistons are custom made 68.5mm to fit the modified combustion chambers. They are to big to fit stock 900 sleeves. This is why the 1000C block was needed. I have my own brand of copper gaskets for both the head and base gaskets. I also have paper base gaskets in various thicknesses to achieve a zero deck. My copper head gaskets are made small and I file to fit them to each cylinder. By doing this I get the best fit possible.


I think I could use a set of those. Have a 1000c top end to go on 750 cases


Let me know if you do want a set? They were taking about 10 weeks to get made but with the planet pretty much shut down. I don't know how long. I'm currently waiting for a set for DennisThemenace. This get the engine as big as I can go without going over AHRMA's size limit. 1017cc

They are $1100.00 a set.
 
View user's profile Send private message Send e-mail
f4fast
Friend of the Board
Friend of the Board



Joined: Jul 09, 2005
Posts: 21969
Location: Long Island,N.Y.

PostPosted: Thu Mar 26, 2020 8:42 pm Reply with quote Back to top

JJam wrote:
f4fast wrote:
JJam wrote:
The pistons are custom made 68.5mm to fit the modified combustion chambers. They are to big to fit stock 900 sleeves. This is why the 1000C block was needed. I have my own brand of copper gaskets for both the head and base gaskets. I also have paper base gaskets in various thicknesses to achieve a zero deck. My copper head gaskets are made small and I file to fit them to each cylinder. By doing this I get the best fit possible.


I think I could use a set of those. Have a 1000c top end to go on 750 cases


Let me know if you do want a set? They were taking about 10 weeks to get made but with the planet pretty much shut down. I don't know how long. I'm currently waiting for a set for DennisThemenace. This get the engine as big as I can go without going over AHRMA's size limit. 1017cc

They are $1100.00 a set.


I meant the base and head gasket..Do you use cometic ? Im assuming that price is for custom pistons?

_________________
1983 cb1100f (blue)
1980 cb750f original owner (black) 
View user's profile Send private message
1100russ
CB1100F
CB1100F



Joined: May 17, 2010
Posts: 2742
Location: williamsburg, ohio

PostPosted: Thu Mar 26, 2020 10:47 pm Reply with quote Back to top

What are you gonna bore the cylinders? I'm making a 985 out of a 1000c motor. You need to fit the head gasket to the bore. The base gasket to the cylinder od. I found an oem 1000c base gasket on ebay that I'm gonna use. Jim will probably tell you to use an 1100 base gasket. I was going to do that (after talking with him) but I found the oem one on ebay.

_________________
CB1100F The Hot Rod
CB927F The Track Bike
ST1100 Commuter Bike
XR100 My Teaching Bike 
View user's profile Send private message Send e-mail
DrOlds
Silver CB900F
Silver CB900F



Joined: Feb 23, 2008
Posts: 1192
Location: Watertown NY USA

PostPosted: Fri Mar 27, 2020 12:28 pm Reply with quote Back to top

Jim, It looks like the combustion chamber on the 1000c head is smaller than the 900/1100f head? The 1000's appear to have flat top pistons and the f bikes have domed pistons to achieve similar low 9. compression rations.... so would domed f bike pistons hit a stock 1000c head?

_________________
The object of life is not to be on the side of the majority, but to escape finding oneself in the ranks of the insane.
Marcus Aurelius 
View user's profile Send private message Send e-mail
JJam
Red CB1100F
Red CB1100F



Joined: Nov 08, 2009
Posts: 3622
Location: Sandy OR

PostPosted: Fri Mar 27, 2020 4:01 pm Reply with quote Back to top

f4fast wrote:
JJam wrote:
f4fast wrote:
JJam wrote:
The pistons are custom made 68.5mm to fit the modified combustion chambers. They are to big to fit stock 900 sleeves. This is why the 1000C block was needed. I have my own brand of copper gaskets for both the head and base gaskets. I also have paper base gaskets in various thicknesses to achieve a zero deck. My copper head gaskets are made small and I file to fit them to each cylinder. By doing this I get the best fit possible.


I think I could use a set of those. Have a 1000c top end to go on 750 cases


Let me know if you do want a set? They were taking about 10 weeks to get made but with the planet pretty much shut down. I don't know how long. I'm currently waiting for a set for DennisThemenace. This get the engine as big as I can go without going over AHRMA's size limit. 1017cc

They are $1100.00 a set.


I meant the base and head gasket..Do you use cometic ? Im assuming that price is for custom pistons?


Steve go read what I wrote. I said I have my own brand of gaskets for the head and base. Why would I use Cometic? Base gaskets range from $28.00 up to $65.00 depending on how thick of copper. Head gaskets are $65.00.
 
View user's profile Send private message Send e-mail
JJam
Red CB1100F
Red CB1100F



Joined: Nov 08, 2009
Posts: 3622
Location: Sandy OR

PostPosted: Fri Mar 27, 2020 4:10 pm Reply with quote Back to top

DrOlds wrote:
Jim, It looks like the combustion chamber on the 1000c head is smaller than the 900/1100f head? The 1000's appear to have flat top pistons and the f bikes have domed pistons to achieve similar low 9. compression rations.... so would domed f bike pistons hit a stock 1000c head?


Yes the chamber is smaller in a 1000C and shaped slightly better shaped.
Melchiro and myself have fit and used 1000C heads on both stock 1100 pistons (this is how I built Grumps engine) and with the Cruzin Image 1123 pistons. The compression goes up but still runs good on the non-ethanol 92 pump gas.
The engine in the video has a 900 head that I weld up the chambers and clover leaf the chambers. Just like Brent explained, its the biggest hp and torque mod you can do to these engines. Its not cheap but if you want to put the hurt on some modern bikes. Its worth it.
 
View user's profile Send private message Send e-mail
atomic
Twinstar
Twinstar



Joined: Feb 08, 2006
Posts: 240
Location: Newport, NY

PostPosted: Sun Mar 29, 2020 3:12 pm Reply with quote Back to top

Sounds great. Nice work!
 
View user's profile Send private message Send e-mail
Display posts from previous:       
Post new topic   Reply to topic    www.cb1100f.net Forum Index -> General Chit Chat

View next topic
View previous topic
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum
You cannot attach files in this forum
You cannot download files in this forum


Powered by phpBB © 2001-2008 phpBB Group
:: Theme & Graphics by Daz :: Ported for PHP-Nuke by nukemods.com ::
All times are GMT
 
Page Generation: 0.23 Seconds

:: fisubice phpbb2 style by Daz :: PHP-Nuke theme by www.nukemods.com ::
:: fisubice Theme Recoded To 100% W3C CSS & HTML 4.01 Transitional & XHTML 1.0 Transitional Compliance by RavenNuke™ TEAM ::

:: W3C CSS Compliance Validation :: W3C HTML 4.01 Transitional Compliance Validation :: W3C XHTML 1.0 Transitional Compliance Validation ::