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Author Topic: Purple Rain Bill's CB750/900 Turbo 1972  (Read 57500 times)

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Offline Bill/BentON Racing

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Re: Purple Rain Bill's CB750/900 Turbo 1972
« Reply #275 on: October 26, 2016, 03:06:25 PM »
It's back....almost! new Dyna 3 ohm coils, NGK racing wires, RS34'S,  Pingel filter, Motion Pro 1/4 turn throttle and cables, charging system all gone, regulator and rectifier were still on. New Dyna shift light and minder all wired up.Swapped seats with Medyo, gotta cut it down in the front, that's about it for now, it'll be at Valdosta also. Bill Still gotta tape up a couple inches of wire harness.
« Last Edit: October 26, 2016, 03:11:35 PM by Bill/BentON Racing »
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Over 35 years of experience working on vintage motorcycles, with a speciality in Honda SOHC/4 with a focus on the CB750 and other models as well from 1966 - 1985.
______________________________________
1993 HRC RS125 | 1984 NS400R | 1974 Honda CB750/836cc (Calendar Girl) | 1972 CB 500/550 Yoshi Kitted 590cc | 1965 Honda CB450 Black Bomber | 1972 Suzuki T350 | 1973 88cc | Z50/Falcons Pit Bike | 1967 CA100| 1974 CB350 (400F motor)...and more.
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See our latest build 'Captain Marvel' CLICK HERE

Offline Old Scrambler

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Re: Purple Rain Bill's CB750/900 Turbo 1972
« Reply #276 on: October 26, 2016, 04:03:09 PM »
You ARE going to like those 34s ;D ;D

Did you remove the pumper pin?
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Offline BPellerine

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Re: Purple Rain Bill's CB750/900 Turbo 1972
« Reply #277 on: October 26, 2016, 05:22:56 PM »
looks like lower frame rails completely gone?bill
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Offline Bill/BentON Racing

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Re: Purple Rain Bill's CB750/900 Turbo 1972
« Reply #278 on: October 26, 2016, 05:47:37 PM »
Yes, they are and yesI love them RS34'S  on Cobra Girl already. This is a 915cc with a Srage III Mike Rieck head. Falicon rods and little lighter and balanced crank. Undercut trans, new primary and HD cam chains. 327 cam, ti retainers etc.Acc pump is inoperative on both.
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BentON Racing Website
OEM Parts | Service | Custom Builds
BentON Racing Facebook
Over 35 years of experience working on vintage motorcycles, with a speciality in Honda SOHC/4 with a focus on the CB750 and other models as well from 1966 - 1985.
______________________________________
1993 HRC RS125 | 1984 NS400R | 1974 Honda CB750/836cc (Calendar Girl) | 1972 CB 500/550 Yoshi Kitted 590cc | 1965 Honda CB450 Black Bomber | 1972 Suzuki T350 | 1973 88cc | Z50/Falcons Pit Bike | 1967 CA100| 1974 CB350 (400F motor)...and more.
______________________________________
See our latest build 'Captain Marvel' CLICK HERE

Offline Jerry Rxman Griffin aka MuthaF'er

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Re: Purple Rain Bill's CB750/900 Turbo 1972
« Reply #279 on: October 27, 2016, 07:44:59 AM »
What  HAVEN'T you changed?!
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As of today 3/13/2012 my original owner 75 CB750F has made it through 3 wives, er EX-wives. Free at last.  ;-)

Offline madmtnmotors

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Re: Purple Rain Bill's CB750/900 Turbo 1972
« Reply #280 on: October 27, 2016, 07:51:16 AM »
Quote from: Jerry Rxman Griffin aka MuthaF'er on October 27, 2016, 07:44:59 AM
What  HAVEN'T you changed?!

That would be a short list...  ;)
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TAMTF...


Wilbur



Projects:
"Evolution": http://forums.sohc4.net/index.php?topic=100352.0
"P.O. Debacle": http://forums.sohc4.net/index.php/topic,126692.msg1441661.html#msg1441661
F2/F3 O-rings: http://forums.sohc4.net/index.php?topic=113672.msg1300721#msg1300721
Cam Tower Studs: https://www.mcmaster.com/#93210a017/=t19sgp
Clean up that nasty harness: http://forums.sohc4.net/index.php?topic=137351.msg1549191#msg1549191
http://forums.sohc4.net/index.php/topic,148188.msg1688494.html#msg1688494
http://forums.sohc4.net/index.php/topic,139544.msg1579364.html#msg1579364
                                          
Charging system diagnosis: http://forums.sohc4.net/index.php?topic=1012.msg8345#msg8345
Get the manuals: http://manuals.sohc4.net/cb750k/
The Dragon: http://forums.sohc4.net/index.php?topic=45183.msg1571675#msg1571675
Headlight Switch: http://forums.sohc4.net/index.php?topic=113986.msg1283236#msg1283236
Branden's leak free top end thread: http://forums.sohc4.net/index.php?topic=107040.0
Engine Lifting Made Easy: http://forums.sohc4.net/index.php/topic,58210.msg1684742.html#msg1684742
                                      http://forums.sohc4.net/index.php/topic,100352.msg1675840.html#msg1675840
Static and Dynamic Timing: http://www.hondachopper.com/garage/carb_info/timing/timing1.html
Airbox Gasket Replacement: http://forums.sohc4.net/index.php/topic,114485.msg1290000.html#msg1290000
"Café" : http://forums.sohc4.net/index.php/topic,84697.msg953814.html#msg953814
PD Carb Choke Linkage: http://forums.sohc4.net/index.php/topic,100352.msg1669248.html#msg1669248
                                    http://forums.sohc4.net/index.php/topic,110931.msg1248354.html#msg1248354
                                    http://forums.sohc4.net/index.php/topic,48858.msg515204.html#msg515204
Follow up on your damn posts: http://forums.sohc4.net/index.php/topic,144305.msg1791605.html#msg1791605
Taiwanese Cam Chain Tensioners:  http://forums.sohc4.net/index.php/topic,155043.msg1774841.html#msg1774841
Gumtwo Seat Cover: http://forums.sohc4.net/index.php/topic,164440.msg1897366.html#msg1897366
Primary Drive: http://forums.sohc4.net/index.php/topic,166063.msg1919278.html#msg1919278
Tank Latch: http://forums.sohc4.net/index.php/topic,165975.msg1919495.html#msg1919495
Shorten your forks: http://vintage-and-classic-honda-s.456789.n3.nabble.com/How-to-shorten-forks-td4042465.html DO NOT CUT THE SPRINGS!
Clutch How To: http://vintage-and-classic-honda-s.456789.n3.nabble.com/How-to-change-and-adjust-a-clutch-SOHC-td4040391.html
Late model K7/K8/F2/F3 front sprocket cover removal: http://forums.sohc4.net/index.php/topic,178428.msg2072279.html#msg2072279
630 to 530 conversion: http://forums.sohc4.net/index.php/topic,180710.msg2094423.html#msg2094423

Sent from my Tandy TRS-80!

Offline dragracer

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Re: Purple Rain Bill's CB750/900 Turbo 1972
« Reply #281 on: October 27, 2016, 08:56:32 AM »
Bike should run really well now. Glad you had time to work on it BEFORE the race. Now you can sit back and relax enough to concentrate on your race game. Time to make rounds.
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Offline POPS 911

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Re: Purple Rain Bill's CB750/900 Turbo 1972
« Reply #282 on: October 29, 2016, 07:21:55 AM »
TEAM 750: Space your self out so you guys meet in the final 4.......... Take those fast bikes down early = they have to wait and think and YOU BE GONE PASS THE 60' WITH THEIR VISION saying do-not red light ...... time trials ok but in eliminations not good with a SOHC750 taking out a TEAM RACER.

POPS BK911 NHRA
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Offline madmtnmotors

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Re: Purple Rain Bill's CB750/900 Turbo 1972
« Reply #283 on: October 29, 2016, 10:20:44 AM »
Quote from: POPS 911 on October 29, 2016, 07:21:55 AM
TEAM 750: Space your self out so you guys meet in the final 4..........

Easier said than done. At Rockingham they started drawing playing cards, even in the first round, and matched riders by paired cards. Frank and I ended up paired in both 1st and 2nd round! This may not be done in the early rounds at Valdosta, depending on the number of riders entered. If there are too many entrants they may likely just leave early pairings to the riders as has been done in the past. Just no jumping line once you are lined up...
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TAMTF...


Wilbur



Projects:
"Evolution": http://forums.sohc4.net/index.php?topic=100352.0
"P.O. Debacle": http://forums.sohc4.net/index.php/topic,126692.msg1441661.html#msg1441661
F2/F3 O-rings: http://forums.sohc4.net/index.php?topic=113672.msg1300721#msg1300721
Cam Tower Studs: https://www.mcmaster.com/#93210a017/=t19sgp
Clean up that nasty harness: http://forums.sohc4.net/index.php?topic=137351.msg1549191#msg1549191
http://forums.sohc4.net/index.php/topic,148188.msg1688494.html#msg1688494
http://forums.sohc4.net/index.php/topic,139544.msg1579364.html#msg1579364
                                          
Charging system diagnosis: http://forums.sohc4.net/index.php?topic=1012.msg8345#msg8345
Get the manuals: http://manuals.sohc4.net/cb750k/
The Dragon: http://forums.sohc4.net/index.php?topic=45183.msg1571675#msg1571675
Headlight Switch: http://forums.sohc4.net/index.php?topic=113986.msg1283236#msg1283236
Branden's leak free top end thread: http://forums.sohc4.net/index.php?topic=107040.0
Engine Lifting Made Easy: http://forums.sohc4.net/index.php/topic,58210.msg1684742.html#msg1684742
                                      http://forums.sohc4.net/index.php/topic,100352.msg1675840.html#msg1675840
Static and Dynamic Timing: http://www.hondachopper.com/garage/carb_info/timing/timing1.html
Airbox Gasket Replacement: http://forums.sohc4.net/index.php/topic,114485.msg1290000.html#msg1290000
"Café" : http://forums.sohc4.net/index.php/topic,84697.msg953814.html#msg953814
PD Carb Choke Linkage: http://forums.sohc4.net/index.php/topic,100352.msg1669248.html#msg1669248
                                    http://forums.sohc4.net/index.php/topic,110931.msg1248354.html#msg1248354
                                    http://forums.sohc4.net/index.php/topic,48858.msg515204.html#msg515204
Follow up on your damn posts: http://forums.sohc4.net/index.php/topic,144305.msg1791605.html#msg1791605
Taiwanese Cam Chain Tensioners:  http://forums.sohc4.net/index.php/topic,155043.msg1774841.html#msg1774841
Gumtwo Seat Cover: http://forums.sohc4.net/index.php/topic,164440.msg1897366.html#msg1897366
Primary Drive: http://forums.sohc4.net/index.php/topic,166063.msg1919278.html#msg1919278
Tank Latch: http://forums.sohc4.net/index.php/topic,165975.msg1919495.html#msg1919495
Shorten your forks: http://vintage-and-classic-honda-s.456789.n3.nabble.com/How-to-shorten-forks-td4042465.html DO NOT CUT THE SPRINGS!
Clutch How To: http://vintage-and-classic-honda-s.456789.n3.nabble.com/How-to-change-and-adjust-a-clutch-SOHC-td4040391.html
Late model K7/K8/F2/F3 front sprocket cover removal: http://forums.sohc4.net/index.php/topic,178428.msg2072279.html#msg2072279
630 to 530 conversion: http://forums.sohc4.net/index.php/topic,180710.msg2094423.html#msg2094423

Sent from my Tandy TRS-80!

Offline POPS 911

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Re: Purple Rain Bill's CB750/900 Turbo 1972
« Reply #284 on: November 04, 2016, 09:45:11 AM »
WIBURE: If they line up race, space out in the same line = draw cards all 750 draw last cards ....... what odds would the final 4 cards be pairs ???. How do they get bye for 1st or 2nd rounds ? Best reaction time ?
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Offline dragracer

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Re: Purple Rain Bill's CB750/900 Turbo 1972
« Reply #285 on: November 04, 2016, 04:04:34 PM »
If I didn't have to help the wife in pro ET, I'd line up at the rear of the pack to avoid the same problem with running each we had at the rock. Then again, with the number of bikes projected to participate, I should have time to get back to the lanes when she runs.
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Offline Bill/BentON Racing

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Re: Purple Rain Bill's CB750/900 Turbo 1972
« Reply #286 on: November 06, 2016, 04:08:16 PM »
Fired it up,  no gas ever, no priming, etc, new RS34's , gotta love fuel enricheners,  3rd kick, this is 915cc Stage III MR head, Falicon rods, RC 327 cam, getting ready to install Kenny's new fine threaded manual cam chain adjuster, I like it a lot, you can turn it easy with your fingers!  K. Pic in a little while! Bill
« Last Edit: November 06, 2016, 05:14:49 PM by Bill/BentON Racing »
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BentON Racing Website
OEM Parts | Service | Custom Builds
BentON Racing Facebook
Over 35 years of experience working on vintage motorcycles, with a speciality in Honda SOHC/4 with a focus on the CB750 and other models as well from 1966 - 1985.
______________________________________
1993 HRC RS125 | 1984 NS400R | 1974 Honda CB750/836cc (Calendar Girl) | 1972 CB 500/550 Yoshi Kitted 590cc | 1965 Honda CB450 Black Bomber | 1972 Suzuki T350 | 1973 88cc | Z50/Falcons Pit Bike | 1967 CA100| 1974 CB350 (400F motor)...and more.
______________________________________
See our latest build 'Captain Marvel' CLICK HERE

Offline Jerry Rxman Griffin aka MuthaF'er

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Re: Purple Rain Bill's CB750/900 Turbo 1972
« Reply #287 on: November 06, 2016, 07:53:50 PM »
Looks great Billy, even without the air pump  ;)
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As of today 3/13/2012 my original owner 75 CB750F has made it through 3 wives, er EX-wives. Free at last.  ;-)

Offline dragracer

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Re: Purple Rain Bill's CB750/900 Turbo 1972
« Reply #288 on: November 06, 2016, 08:29:39 PM »
Nice work Bill. Is Trey coming to ride this one??
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Offline Bill/BentON Racing

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Re: Purple Rain Bill's CB750/900 Turbo 1972
« Reply #289 on: November 07, 2016, 02:02:14 AM »
That's the rumor!  Lol,  he's coming in Wednesday morning @ 10:00. Found my little air leak on Cobra Girl last night,  real small out of exhaust port on solenoid,  I'll clean or replace tonight. Purple Rain,  I still gotta Bill. in carbs and hopefully finish air shifter on it,  Frank, I'm mailing out your valves today, be there Wednesday.  See y'all soon! Bill
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BentON Racing Website
OEM Parts | Service | Custom Builds
BentON Racing Facebook
Over 35 years of experience working on vintage motorcycles, with a speciality in Honda SOHC/4 with a focus on the CB750 and other models as well from 1966 - 1985.
______________________________________
1993 HRC RS125 | 1984 NS400R | 1974 Honda CB750/836cc (Calendar Girl) | 1972 CB 500/550 Yoshi Kitted 590cc | 1965 Honda CB450 Black Bomber | 1972 Suzuki T350 | 1973 88cc | Z50/Falcons Pit Bike | 1967 CA100| 1974 CB350 (400F motor)...and more.
______________________________________
See our latest build 'Captain Marvel' CLICK HERE

Offline dragracer

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Re: Purple Rain Bill's CB750/900 Turbo 1972
« Reply #290 on: November 07, 2016, 08:49:17 AM »
Bill, just hold onto the valves until I see you in Valdosta.
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Offline Bill/BentON Racing

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Re: Purple Rain Bill's CB750/900 Turbo 1972
« Reply #291 on: November 07, 2016, 09:38:30 AM »
Already shipped, be there Wednesday, lol, Bill
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BentON Racing Website
OEM Parts | Service | Custom Builds
BentON Racing Facebook
Over 35 years of experience working on vintage motorcycles, with a speciality in Honda SOHC/4 with a focus on the CB750 and other models as well from 1966 - 1985.
______________________________________
1993 HRC RS125 | 1984 NS400R | 1974 Honda CB750/836cc (Calendar Girl) | 1972 CB 500/550 Yoshi Kitted 590cc | 1965 Honda CB450 Black Bomber | 1972 Suzuki T350 | 1973 88cc | Z50/Falcons Pit Bike | 1967 CA100| 1974 CB350 (400F motor)...and more.
______________________________________
See our latest build 'Captain Marvel' CLICK HERE
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