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Let's see YOUR drag bike !

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Re: Let's see YOUR drag bike !

18 Feb 2022 15:31
#862535
Not quite a dragbike but i ran this girl on the back roads around Hamilton Ontario for a few summers in early 2000.

That would have been fun on right hand corners  !!

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Re: Let's see YOUR drag bike !

19 Aug 2022 09:18 - 19 Aug 2022 13:05
#872470
Most recent, fiberglass seat area made and painted
Last edit: 19 Aug 2022 13:05 by Street Fighter LTD.
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Re: Let's see YOUR drag bike !

20 Aug 2022 13:12 - 20 Aug 2022 16:43
#872553
In reading through this thread, I realized that I hadn't posted a pic of me and my dragbike.  So, here you go - a pic taken in the pits at Indianapolis Raceway Park, August 1996, at the Prostar Thunder Nationals.  I was bit lighter then (by about 10 lbs) and, gee, no gray hair!!!   Some great memories.  Seems like yesterday...

Mike
 
Presently - 1980 KZ1000B4 LTD w/mild ported head, Megacycle cams, 1015cc Wiseco, Falicon Supercrank, R&D undercut trans
In a former life - KZ-based dragbike - CrMo car tire chassis, 1395cc, Hahn Racecraft turbo system, VP C16, Orient Express 3-spd auto, 7.80's @ 165-170.
Last edit: 20 Aug 2022 16:43 by Dragbike_Mike. Reason: typo correction
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Re: Let's see YOUR drag bike !

26 Mar 2023 07:39 - 26 Mar 2023 07:40
#882010
Hoping to get to Mason/Dixon dragway in the spring.  Traction is gonna be the issue....... and rider ability.
1977 kz1327
Cavanaugh Head 38.6/33
38mm Flatslides
MRE racecut trans
300mm rear tire
Web Cams 435/465

1984 GPZ1100
Cavanaugh Head
1170cc
Web 415 cams
RC Hp Inj.
Bored throttle bodies
Last edit: 26 Mar 2023 07:40 by tomsbadkz. Reason: pic
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Re: Let's see YOUR drag bike !

27 Mar 2023 17:17 - 27 Mar 2023 17:20
#882095
Bike got a paint job and some decals...





Will be out for the first time this Summer.
 
1978 KZ650B2 w 1197cc Z1 engine
1977 KZ650B1 w 750cc Spectre engine
1979 KZ650C3 w 831cc Hot Rod engine
1978 KZ650C2 w 762cc DFI project
1977 KZ650C1 stock restoration project
1978 KZ650B2 modified project
1978 KZ650B2 Injected Drag 831cc
1980 Z1 Custom Frame Drag 1327cc
1981 Z50R Honda tow bike
Last edit: 27 Mar 2023 17:20 by Injected.

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Re: Let's see YOUR drag bike !

28 Mar 2023 12:20
#882121
How about some pics of the whole bike injected, looks like a beast

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Re: Let's see YOUR drag bike !

28 Mar 2023 13:10 - 28 Mar 2023 13:16
#882126
How about some pics of the whole bike injected, looks like a beast




 
There is not much to see right now, had a issue torquing down a couple of cylinder head nuts late last year so stopped and covered it. Had too much on my plate to troubleshoot the issue. Going to dive into it soon.

Here is where its at :



Here is what it looks like complete (PO) :



Got rid of the yellow paint and went flat black. Bought it as a roller and built my own 1327 engine, had to completely trash the wire harness on it and redid the whole thing from scratch (not that there are many wires on it) 7 inch slick, 5 speed hand clutch, lock up, and kick start with a manual retard.

 
1978 KZ650B2 w 1197cc Z1 engine
1977 KZ650B1 w 750cc Spectre engine
1979 KZ650C3 w 831cc Hot Rod engine
1978 KZ650C2 w 762cc DFI project
1977 KZ650C1 stock restoration project
1978 KZ650B2 modified project
1978 KZ650B2 Injected Drag 831cc
1980 Z1 Custom Frame Drag 1327cc
1981 Z50R Honda tow bike
Last edit: 28 Mar 2023 13:16 by Injected.
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Re: Let's see YOUR drag bike !

28 Mar 2023 14:23
#882128
Hoping to get to Mason/Dixon dragway in the spring.  Traction is gonna be the issue....... and rider ability. Bike looks Awesome. You should have good fun practicing your launches. It took me awhile to correctly slip the clutch for optimum 60 ft times. Take your time and good luck to you.

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Re: Let's see YOUR drag bike !

28 Mar 2023 15:50
#882132
How about some pics of the whole bike injected, looks like a beast





 
There is not much to see right now, had a issue torquing down a couple of cylinder head nuts late last year so stopped and covered it. Had too much on my plate to troubleshoot the issue. Going to dive into it soon.




 
It's gonna be sweet   I don't know if it's the same issue but when I built the Honda motor in my Harris many years ago I had one that wouldn't tighten. The stud was pulling out of the crankcase like a cork from a wine bottle, a so called "toolmaker" then made a complete dogs arse of helicoiling it (the stud was at an angle) I ended up having to go out to 14mm and get a sleeve made to screw into the crankcase to take the stud) as yours hasn't been butchered if it is the same issue I guess a "Timesert" would probably get the job done.
Be lucky

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Re: Let's see YOUR drag bike !

29 Mar 2023 15:53
#882158
How about some pics of the whole bike injected, looks like a beast






 
There is not much to see right now, had a issue torquing down a couple of cylinder head nuts late last year so stopped and covered it. Had too much on my plate to troubleshoot the issue. Going to dive into it soon.





 
It's gonna be sweet   I don't know if it's the same issue but when I built the Honda motor in my Harris many years ago I had one that wouldn't tighten. The stud was pulling out of the crankcase like a cork from a wine bottle, a so called "toolmaker" then made a complete dogs arse of helicoiling it (the stud was at an angle) I ended up having to go out to 14mm and get a sleeve made to screw into the crankcase to take the stud) as yours hasn't been butchered if it is the same issue I guess a "Timesert" would probably get the job done.
Be lucky
 
I am hoping I can avoid tearing it down. The guy who ported the head has seen similar issues on other drag bikes and has other suggestions to try first. Nothing worse than being hours away from first fire up and come up on a issue like this.

The PO (ugly yellow paint job) went 9.20's with a 1075 motor (custom 30mm Lectrons) The original builder had a 1327 motor and went 8.60's in 1980.

 
1978 KZ650B2 w 1197cc Z1 engine
1977 KZ650B1 w 750cc Spectre engine
1979 KZ650C3 w 831cc Hot Rod engine
1978 KZ650C2 w 762cc DFI project
1977 KZ650C1 stock restoration project
1978 KZ650B2 modified project
1978 KZ650B2 Injected Drag 831cc
1980 Z1 Custom Frame Drag 1327cc
1981 Z50R Honda tow bike

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Re: Let's see YOUR drag bike !

29 Mar 2023 16:11
#882160
How about some pics of the whole bike injected, looks like a beast







 
There is not much to see right now, had a issue torquing down a couple of cylinder head nuts late last year so stopped and covered it. Had too much on my plate to troubleshoot the issue. Going to dive into it soon.






 
It's gonna be sweet   I don't know if it's the same issue but when I built the Honda motor in my Harris many years ago I had one that wouldn't tighten. The stud was pulling out of the crankcase like a cork from a wine bottle, a so called "toolmaker" then made a complete dogs arse of helicoiling it (the stud was at an angle) I ended up having to go out to 14mm and get a sleeve made to screw into the crankcase to take the stud) as yours hasn't been butchered if it is the same issue I guess a "Timesert" would probably get the job done.
Be lucky

 
I am hoping I can avoid tearing it down. The guy who ported the head has seen similar issues on other drag bikes and has other suggestions to try first. Nothing worse than being hours away from first fire up and come up on a issue like this.

The PO (ugly yellow paint job) went 9.20's with a 1075 motor (custom 30mm Lectrons) The original builder had a 1327 motor and went 8.60's in 1980.


 
that will get the blood pumping

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Re: Let's see YOUR drag bike !

31 Mar 2023 17:09 - 31 Mar 2023 17:24
#882242
Need to pull this one out this Summer as well...





I was working on it last the Summer before Covid hit, did a bunch of changes to it. Ported the head a bit more and installed some smaller fuel nozzles.

Want to get it running and then assess if I want to revert back to a self start (kick or button) which might mean going back to running gasoline.




 
1978 KZ650B2 w 1197cc Z1 engine
1977 KZ650B1 w 750cc Spectre engine
1979 KZ650C3 w 831cc Hot Rod engine
1978 KZ650C2 w 762cc DFI project
1977 KZ650C1 stock restoration project
1978 KZ650B2 modified project
1978 KZ650B2 Injected Drag 831cc
1980 Z1 Custom Frame Drag 1327cc
1981 Z50R Honda tow bike
Last edit: 31 Mar 2023 17:24 by Injected.
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