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Author Topic: What did you do to your bike today ?  (Read 3206239 times)

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Offline ekpent

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Re: What did you do to your bike today ?
« Reply #13550 on: March 25, 2013, 05:12:11 AM »
Lots of times bikes can idle and rev nicely on the sidestand but problems don't rear their ugly heads until the bike is going down the road in gear and under a 'load'.
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Offline EnvinoVeritas

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Re: What did you do to your bike today ?
« Reply #13551 on: March 25, 2013, 06:56:15 AM »
Mine was doing the same thing when I got it put back together. First thing I would do is double check your installation. Carb clamps and such.

Are you running with the air box installed? Mine has a miss in the same rpm range when I test with open carbs.

Other things I have found rebuilding an old bike. Make sure the spark advance unit is moving properly, and make sure the screen on the fuel Petcock is clear. I thought I had cleaned every speck of crud out of the tank and still I'm getting rust on that silk like screen in the tank.

Just some ideas....
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Offline bjbuchanan

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Re: What did you do to your bike today ?
« Reply #13552 on: March 25, 2013, 12:42:38 PM »
Quote from: Slug750 on March 25, 2013, 03:25:20 AM
I'm going to try 91 octane fuel tomorrow instead of the 98 I've had in the tank.

What I don't get is how it revs cleanly sitting still, but misses on a ride. Will try the fuel tomorrow and see what happens.

the coils are the only thing different to from how it ran on his test bench in the shop. Slug

For starters get the bike off that diet of half way race gas that would be the first and easiest to do for the bike and your wallet. 98 is much too high for the bike as is

Most bikes and cars, rly anything will rev and be great in neutral bc of the no load factor. As soon as you have load they crap out. Ever had a bad fuel pump that the car would start but wouldn't do anything?

Check resistance of the coils and spark plug caps. Also a badly ran/kinked fuel line or crappy fuel filter or clogged in tank filter will hurt performance. Remember they are gravity fed
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The dirty girl-1976 cb750k, Ebay 836, Tracy bodykit
Round top carbs w/ 38 pilots, middle needle position, airscrew 7/8ths out, 122 main jet
Stock airbox w/ drop in K&N, Hooker 4-1

Don't trust me alone with a claw hammer and some pliers

Offline rshinall

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Re: What did you do to your bike today ?
« Reply #13553 on: March 25, 2013, 07:34:09 PM »
Installed new brake and clutch levers!
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Offline Jerry E.

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Re: What did you do to your bike today ?
« Reply #13554 on: March 25, 2013, 07:55:32 PM »
bought a new rear rim.
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"Why jump from perfectly good airplanes? Because the door opens."

Offline joehardy

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Re: What did you do to your bike today ?
« Reply #13555 on: March 25, 2013, 08:34:59 PM »
Switched to clip-ons rather than clubmans. They are lower but further back- net effect seems like I am more upright. Oil change too- weather is getting better!
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Offline Bacon550

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Re: What did you do to your bike today ?
« Reply #13556 on: March 25, 2013, 08:56:13 PM »
I got my bike running for the first time. Only for a few seconds till the starter fluid burned out.  That few seconds of sound was enough to put a big #$%* eating grin on my face though.  Didn't clean carbs well enough im guessing.  Gas is not getting out of the float bowls.  So I guess time to pull the carbs again and re-clean them.  Also cleaned and gapped the points.
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Offline captain hopeless

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Re: What did you do to your bike today ?
« Reply #13557 on: March 25, 2013, 09:22:56 PM »
Received in the mail a replica l/h handlebar switch. NOS, made in Japan. Seems nice, can't wait to get 'er fitted.
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Offline kghost

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Re: What did you do to your bike today ?
« Reply #13558 on: March 27, 2013, 02:26:26 AM »
Can't believe I'm saying this........installed saddlebags
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maduncle

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Re: What did you do to your bike today ?
« Reply #13559 on: March 27, 2013, 03:43:02 AM »

Rode it for the first time after spending 18 months rebuilding it from the ground up.

See my Runcible Racer thread in the 'other bikes' section for video.
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Offline totty

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Re: What did you do to your bike today ?
« Reply #13560 on: March 27, 2013, 06:10:44 AM »
Recovered the seat. Turned out easier than expected and looks great.
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Offline Gamma

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Re: What did you do to your bike today ?
« Reply #13561 on: March 27, 2013, 06:24:31 AM »
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Offline Bankerdanny

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Re: What did you do to your bike today ?
« Reply #13562 on: March 27, 2013, 08:53:48 AM »
Nice Gamma. I look forward to seeing it on the bike.
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"The problem with quotes on the Internet is that you never know if they're true" - Abraham Lincoln

Current: '76 CB750F. Previous:  '75 CB550F, 2007 Yamaha Vino 125 Scooter, '75 Harley FXE Superglide, '77 GL1000, '77 CB550k, '68 Suzuki K10 80, '68 Yamaha YR2, '69 BMW R69S, '71 Honda SL175, '02 Royal Enfield Bullet 500, '89 Yamaha FJ1200

Offline Gamma

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Re: What did you do to your bike today ?
« Reply #13563 on: March 27, 2013, 11:28:00 AM »
Still a lot to do ;D
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Offline chris mcshifty

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Re: What did you do to your bike today ?
« Reply #13564 on: March 27, 2013, 11:37:33 AM »
Very nice what bike is it going on
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Offline jas67

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Re: What did you do to your bike today ?
« Reply #13565 on: March 27, 2013, 11:56:45 AM »
Quote from: EnvinoVeritas on March 24, 2013, 07:36:16 AM
All the Vermont requires is an official document signed by somebody important.

So, who qualifies as "somebody important?"

I happen to think that I'm pretty important  ::)  :P
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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 davidtime

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Re: What did you do to your bike today ?
« Reply #13566 on: March 27, 2013, 02:44:53 PM »
Trying to figure out what year my carbs are. Just got it running for the first time yesterday and it sounded great but its got a sticky float.
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Offline hoodellyhoo

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Re: What did you do to your bike today ?
« Reply #13567 on: March 27, 2013, 03:10:07 PM »
Took the cover off of both of them and sat on them. Noticed that my caliper is leaking on the 750. The piston and seal were new last year so maybe I didn't clean the seal area well enough?
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1972 CB350F (Back from the Dead!)- http://forums.sohc4.net/index.php?topic=20822.0
1965? S65 - Coming Eventually!
1972 CB750K2 (father-son project)
1976 CB750K6- (sold) http://forums.sohc4.net/index.php?topic=96859.0
1976 CB750K6 (sold)- http://forums.sohc4.net/index.php?topic=62569.0

Offline OldSchool_IsCool

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Re: What did you do to your bike today ?
« Reply #13568 on: March 27, 2013, 06:36:29 PM »
Dave,

Ride 'er for a few trips before messing too much with ur float.  Its amazing how vibration can make parts fit better!!
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Can I have a motorcycle when I get old enough?
If you take care of it.
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Lot’s of things. You’ve been watching me.
Will you show me all of them?
Sure.
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Not if you have the right attitudes. It’s having the right attitudes that’s hard.

Offline davidtime

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Re: What did you do to your bike today ?
« Reply #13569 on: March 27, 2013, 06:47:35 PM »
It sat for a couple years before I got it so I am figuring there is a build up in them. I will give it a try though. No title on this yet so I got to be careful.
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Offline bjatwood

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Re: What did you do to your bike today ?
« Reply #13570 on: March 27, 2013, 06:48:28 PM »
Took the ol girl out today for the first ride of 2013. Biggest improvement over last year was the valve adjustment. After warming it up for the first ten miles. I headed down a country road and opened it UP! Before, the bike would start to float the valves at 8K, this motor roared to 8.5K and was still pulling when I laid off it...
How hard do you all push your mills? This was the first time I have EVER exceeded the 8K red zone "area" of the Tach by the way...
Bike is a all stock 750K3....18x48 gearing
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Offline 750K

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Re: What did you do to your bike today ?
« Reply #13571 on: March 27, 2013, 06:53:59 PM »
Rode to work, the weather was so nice I skipped out 2hrs early to ride around with my wife for a couple hours. Bought steering dampers and fork braces for my Cb & Kz as well.
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77 Cb750, 78 Kz1000

Offline bjbuchanan

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Re: What did you do to your bike today ?
« Reply #13572 on: March 27, 2013, 08:07:44 PM »
Quote from: bjatwood on March 27, 2013, 06:48:28 PM
Took the ol girl out today for the first ride of 2013. Biggest improvement over last year was the valve adjustment. After warming it up for the first ten miles. I headed down a country road and opened it UP! Before, the bike would start to float the valves at 8K, this motor roared to 8.5K and was still pulling when I laid off it...
How hard do you all push your mills? This was the first time I have EVER exceeded the 8K red zone "area" of the Tach by the way...
Bike is a all stock 750K3....18x48 gearing

I probably take it damn near 8 grand all the time rly. I wound mine out to 9500 the other day and my #1 intake backed off but I babied it home and fixed it. Most of the time ill shift at like 7000
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The dirty girl-1976 cb750k, Ebay 836, Tracy bodykit
Round top carbs w/ 38 pilots, middle needle position, airscrew 7/8ths out, 122 main jet
Stock airbox w/ drop in K&N, Hooker 4-1

Don't trust me alone with a claw hammer and some pliers

Offline Magpie

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Re: What did you do to your bike today ?
« Reply #13573 on: March 27, 2013, 11:00:47 PM »
Filled the rusty gas tank with vinegar. Cliff.
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Offline dave500

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Re: What did you do to your bike today ?
« Reply #13574 on: March 27, 2013, 11:07:00 PM »
new bosch headlight insert,its even dazzling in the sun when switched off compared to the milky cheapo.
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