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michalm
Getting up steam
Getting up steam



Joined: May 01, 2012
Posts: 19
Location: Chicopee, MA

PostPosted: Wed May 02, 2012 12:30 pm Reply with quote Back to top

Hello !

I just bought my first bike. Honda CB900 Custom 1981, 21k miles, $500.

My name is Mike, I'm 33 years old, married, two children (boy 2y/old and girl 4y/old). I am a computer scientist.
I live in Chicopee, MA. When I was young I sometimes borrowed bike from my friends, but never had my own.

I'm new with motorcycle and all what I've done so far learned from the service manual.

CB900C was not using more than 6 years Sad

I've done so far:
- cleaned the tank and add new fuel (Shell V-Power)
- changed the air filter (OEM)
- changed all 4 sparks (NGK DR8ES)
- changed the subtransmision oil (SAE 80w90 Valvoline) - old one looks like gel !!!
- changed the final drive gear oil (SAE 80w90 Valvoline)
- rebuild brakes (2 fronts and rear) - ughhh...
- changed the brake fluid (DOT3)
- changed the engine oil (twice) and the oil filter (Mobile1 10w40)
- installed new battery
- changed Choke cable

In addition, I have to change tires, check the suspension, check compression, and probably a few other things I forgot to write Smile

The engine starts but it seems that I have to clean Carbs. I'm not sure if I will be able to do by myself Wink))))

Is there anyone who lives near me, Chicopee (01020) and will be able to help me, maybe someone knows a good mechanic in my area?

Thank you for help !

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Mike
Honda CB900C 1981

Last edited by michalm on Fri May 04, 2012 11:29 pm; edited 2 times in total 
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OldTimer
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Joined: Aug 02, 2007
Posts: 10211
Location: Conroe, TX

PostPosted: Wed May 02, 2012 12:36 pm Reply with quote Back to top

Welcome to the site.

Check out this link:

http://cb750c.com/modules.php?name=Forums&file=viewtopic&t=9513

Read up on it, you may be motivated.

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81 CB900C (Sold)
83 CB1000C 
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holysmokes
Admin



Joined: Jul 25, 2007
Posts: 37019
Location: ridge road springfield nova scotia

PostPosted: Wed May 02, 2012 1:02 pm Reply with quote Back to top

is this a translation?the english seems different in nature

just wondering

welcome to the site

_________________
On a steel horse i ride


People are just as happy as they make up their
minds to be.” ― Abraham Lincoln
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04 vl800
09 50 honda jazz

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Salty
Feel the Power
Feel the Power



Joined: Jan 07, 2011
Posts: 654
Location: Tucson, AZ/ Spokane, WA

PostPosted: Wed May 02, 2012 2:58 pm Reply with quote Back to top

Welcome Welcome Got any pics of your new ride?

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1983 CB1000C
Other Rides:1997 & 1998 Valkyries

 
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Maynard
Running Strong
Running Strong



Joined: Aug 19, 2009
Posts: 264
Location: Clintonville, Wisconsin

PostPosted: Wed May 02, 2012 5:43 pm Reply with quote Back to top

Welcome to here.
I probably would not run Mobile 1. Synthetic is just not a good mix with the clutch.

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Image
81 CB900C - 15000 miles young 
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genesound
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Joined: Jul 24, 2007
Posts: 44383
Location: Studio City, CA

PostPosted: Wed May 02, 2012 5:49 pm Reply with quote Back to top

Synthetic motorcycle oil is fine for a wet clutch, not synthetic auto oil though. It'a all about the friction modifiers in the automotive oils.

_________________
NMT - New Member Thread, a Must Read, click here!!! - Information For New and Veteran Members.
Contains SITE RULES, how to enter required bike information in your signature, thread and picture posting...
Also some important DOHC wrenching tips, and some other information.
Kindly read this linked thread with the rules before posting
pictures or asking lots of questions that are already answered in it.

ŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻ
81 CB900C, 83 CB1000C 
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scotto
On a roll
On a roll



Joined: Sep 15, 2010
Posts: 247
Location: Hinsdale, NH

PostPosted: Wed May 02, 2012 9:12 pm Reply with quote Back to top

Welcome. I used to live in Chicopee Falls with my Grandparents when i was little. Came back to live for a couple years in the late 70's. Loved the broasted chicken at Charlies Lucky Strike.

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1983 CB1000C 
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michalm
Getting up steam
Getting up steam



Joined: May 01, 2012
Posts: 19
Location: Chicopee, MA

PostPosted: Wed May 02, 2012 10:16 pm Reply with quote Back to top

OldTimer wrote:
Welcome to the site.

Check out this link:

http://cb750c.com/modules.php?name=Forums&file=viewtopic&t=9513

Read up on it, you may be motivated.


Thanks Smile I already checked those links Smile It not looks as bad as I thought Wink

Everything is NEW for me Smile I don't know what works OK, and what is not perfect. That why I'm looking somebody who will check my bike, and tells me what should be fixed/corrected.

Thanks !

_________________
Mike
Honda CB900C 1981

Last edited by michalm on Fri May 04, 2012 11:32 pm; edited 1 time in total 
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michalm
Getting up steam
Getting up steam



Joined: May 01, 2012
Posts: 19
Location: Chicopee, MA

PostPosted: Wed May 02, 2012 10:18 pm Reply with quote Back to top

holysmokes wrote:
is this a translation?the english seems different in nature

just wondering

welcome to the site


I'm sorry for my English. I'll try to write more clearly...

Thanks !

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Mike
Honda CB900C 1981 
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michalm
Getting up steam
Getting up steam



Joined: May 01, 2012
Posts: 19
Location: Chicopee, MA

PostPosted: Wed May 02, 2012 10:22 pm Reply with quote Back to top

I was wrong. I used Mobil Super High Millage 10W-40.

Somebody had told me that I should NOT use Synthetic Oil.

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Mike
Honda CB900C 1981 
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davida
Power Poster
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Joined: Feb 27, 2010
Posts: 1524
Location: mays landing nj

PostPosted: Wed May 02, 2012 10:35 pm Reply with quote Back to top

Goodd first post. Welcome and safe riding!

Look for seans checklist for a good starting point. You need to adjsujt your valves for sure.

I use diesel oil. High mileage means friction modifiers. Bad for your clutch.

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80 cb 750c sold but not forgotten
86 concours
"Dude gets to ride"
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michalm
Getting up steam
Getting up steam



Joined: May 01, 2012
Posts: 19
Location: Chicopee, MA

PostPosted: Wed May 02, 2012 10:37 pm Reply with quote Back to top

Salty wrote:
Welcome Welcome Got any pics of your new ride?


Hello Smile

I took some pictures when I first saw him Smile

Image

Image

Image

Image

Image

Image

Image

Image

Image

Image

Image

I'll make a short video tomorrow.

Thank you !

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Mike
Honda CB900C 1981 
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Pointdiver
Feel the Power
Feel the Power



Joined: Jul 25, 2007
Posts: 946
Location: Newton, MA

PostPosted: Wed May 02, 2012 11:24 pm Reply with quote Back to top

Very nice Mike. Welcome! Very Happy

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Pete
83 CB1100F (Blue)his
83 CB1100F (Blue)hers
80 CB750C
(sold)
81 750F w/ Wiseco 826 & 900cams


 
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Frank
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Joined: Feb 27, 2010
Posts: 14379
Location: Eufaula, Oklahoma

PostPosted: Wed May 02, 2012 11:28 pm Reply with quote Back to top

Nice bike! That was a steal of a deal dude!!

_________________
You meet the nicest people on a Honda I sold my bike but I still have a 750 and a 900 that I will fix up some day. Right now I´m learning about Goldwings 
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pd750
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Joined: Aug 01, 2007
Posts: 24866
Location: On the road , again .

PostPosted: Wed May 02, 2012 11:40 pm Reply with quote Back to top

Welcome to the site Mike ... Smile

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Please put the year and model of your bike in the signature section on your profile / member account page and set \\\\\\\"Always attach signature \\\\\\\" to YES . Just below the Reply box , check the box in front of \\\"Attach signature (signatures can be changed in profile)\\\" . 
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genesound
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Joined: Jul 24, 2007
Posts: 44383
Location: Studio City, CA

PostPosted: Thu May 03, 2012 12:49 am Reply with quote Back to top

Yes, welcome here Wink

You should probably not run automotive motor oil in a bike with a wet clutch and shims hit by cams. Oil made for diesel engines and motorcycle engines has more zinc (good for our cams) and less friction modifiers that are bad for wet clutches. It's not the synthetic oil that's bad, it's the friction modifiers they put in automotive oil that ruins wet clutches.

_________________
NMT - New Member Thread, a Must Read, click here!!! - Information For New and Veteran Members.
Contains SITE RULES, how to enter required bike information in your signature, thread and picture posting...
Also some important DOHC wrenching tips, and some other information.
Kindly read this linked thread with the rules before posting
pictures or asking lots of questions that are already answered in it.

ŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻ
81 CB900C, 83 CB1000C 
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michalm
Getting up steam
Getting up steam



Joined: May 01, 2012
Posts: 19
Location: Chicopee, MA

PostPosted: Thu May 03, 2012 1:40 am Reply with quote Back to top

genesound wrote:
Yes, welcome here Wink

You should probably not run automotive motor oil in a bike with a wet clutch and shims hit by cams. Oil made for diesel engines and motorcycle engines has more zinc (good for our cams) and less friction modifiers that are bad for wet clutches. It's not the synthetic oil that's bad, it's the friction modifiers they put in automotive oil that ruins wet clutches.


OK, Thanks.

Please, can you give some examples of types of oils that will be the best for my bike ?

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Mike
Honda CB900C 1981 
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genesound
administrator



Joined: Jul 24, 2007
Posts: 44383
Location: Studio City, CA

PostPosted: Thu May 03, 2012 2:09 am Reply with quote Back to top

Any that say "motorcycle oil" printed on the bottle.

_________________
NMT - New Member Thread, a Must Read, click here!!! - Information For New and Veteran Members.
Contains SITE RULES, how to enter required bike information in your signature, thread and picture posting...
Also some important DOHC wrenching tips, and some other information.
Kindly read this linked thread with the rules before posting
pictures or asking lots of questions that are already answered in it.

ŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻ
81 CB900C, 83 CB1000C 
View user's profile Send private message Send e-mail Visit poster's website
holysmokes
Admin



Joined: Jul 25, 2007
Posts: 37019
Location: ridge road springfield nova scotia

PostPosted: Thu May 03, 2012 5:22 am Reply with quote Back to top

diesel oil will be okay
15-40

_________________
On a steel horse i ride


People are just as happy as they make up their
minds to be.” ― Abraham Lincoln
http://i559.photobucket.com/albums/ss31/johnveinot/DSCF1663.jpg
04 vl800
09 50 honda jazz

Paint gelding 
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OldTimer
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Joined: Aug 02, 2007
Posts: 10211
Location: Conroe, TX

PostPosted: Thu May 03, 2012 6:22 am Reply with quote Back to top

Yep, this go around I am going with the diesel oil. $2/quart cheaper down here! Shocked

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81 CB900C (Sold)
83 CB1000C 
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michalm
Getting up steam
Getting up steam



Joined: May 01, 2012
Posts: 19
Location: Chicopee, MA

PostPosted: Thu May 03, 2012 9:14 am Reply with quote Back to top

I found this: http://www.walmart.com/ip/Rotella-T-15W40-Motor-Oil-1-Gal/14958327

or

http://www.walmart.com/ip/Mobil-1-Delvac-15W-40-Heavy-Duty-Diesel-Oil-1gal/17034368

or

http://www.walmart.com/ip/Valvoline-Premium-Blue-Diesel-15W40-Motor-Oil-1-Gallon/15125774

Thanks !

PS: I'm so happy Smile that I found this site ! Finally !

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Mike
Honda CB900C 1981 
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OldTimer
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Joined: Aug 02, 2007
Posts: 10211
Location: Conroe, TX

PostPosted: Thu May 03, 2012 12:46 pm Reply with quote Back to top

Exactly what I had in mind!

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81 CB900C (Sold)
83 CB1000C 
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holysmokes
Admin



Joined: Jul 25, 2007
Posts: 37019
Location: ridge road springfield nova scotia

PostPosted: Thu May 03, 2012 12:50 pm Reply with quote Back to top

michalm wrote:
I found this: http://www.walmart.com/ip/Rotella-T-15W40-Motor-Oil-1-Gal/14958327

or

http://www.walmart.com/ip/Mobil-1-Delvac-15W-40-Heavy-Duty-Diesel-Oil-1gal/17034368

or

http://www.walmart.com/ip/Valvoline-Premium-Blue-Diesel-15W40-Motor-Oil-1-Gallon/15125774

Thanks !

PS: I'm so happy Smile that I found this site ! Finally !


I'm glad you found us too, we were waiting to get off the island Razz

_________________
On a steel horse i ride


People are just as happy as they make up their
minds to be.” ― Abraham Lincoln
http://i559.photobucket.com/albums/ss31/johnveinot/DSCF1663.jpg
04 vl800
09 50 honda jazz

Paint gelding 
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michalm
Getting up steam
Getting up steam



Joined: May 01, 2012
Posts: 19
Location: Chicopee, MA

PostPosted: Thu May 03, 2012 1:09 pm Reply with quote Back to top

Hi,

I changed oil and filter Smile

I made a short video of my bike.



What do you think?

Is there something wrong with the engine?

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Mike
Honda CB900C 1981 
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genesound
administrator



Joined: Jul 24, 2007
Posts: 44383
Location: Studio City, CA

PostPosted: Thu May 03, 2012 1:45 pm Reply with quote Back to top

Sounds like it could use the carburetors synced and it stumbles a little.

Have you done a valve clearance check and adjustment? It needs to be done every 4000 miles.

The carbs might be a little lean sounding, run 1/2 a can of Seafoam in a full tank of gas. It will smoke a little from the Seafoam but will stop when you put the next tanks of gas in.

After all that then do a carb sync and see if the idle is smoother, and if the occasional little miss goes away.

_________________
NMT - New Member Thread, a Must Read, click here!!! - Information For New and Veteran Members.
Contains SITE RULES, how to enter required bike information in your signature, thread and picture posting...
Also some important DOHC wrenching tips, and some other information.
Kindly read this linked thread with the rules before posting
pictures or asking lots of questions that are already answered in it.

ŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻ
81 CB900C, 83 CB1000C 
View user's profile Send private message Send e-mail Visit poster's website
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