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Honda Nighthawk 700s Transmission broken shift fork

This is one of the problems with the transmission. This is a shift fork from an 85 Honda Nighthawk 700s. The clutch had huge play in it and was slipping and grabbing, slipping and grabbing. Looks like this is the primary problem, but I'll have to install the new (used) forks and see if the play is gone. The spare engine has a MUCH tighter transmission


 


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Honda Nighthawk 700s transmission: How It Works, shift drum
How a motorcycle shift drum works: The shift drum controls three shift forks by a stub that rides in a slot. The slot moves the fork which moves a slider gear. The slider gears has pegs that fall into holes in the driven gear. The slider gears engage on either side, 3 sliders X 2 sides = 6 gears. Sometimes if your gears clash, the slots and dogs will round off, this can cause the gear to pop out when you apply torque. The drum is shifted with a ratchet system operated with your foot.





700S_Transmission.avi
Taking apart a Honda NightHawk 700S engine/transmission. This bike would pop out of second gear under moderate to heavy throttle.





Kawazaki ZX9 Gear change Problems Solved! Stuck gear? Bad language sorry.
If you want to send me a drink as a friend click the link https://www.paypal.com/uk/webapps/mpp/send-money-online my email is combert@tiscali.co.uk. ;-) Let me know if this has helped you? Don't strip your gearbox until you've done this ;-) good luck boys 👍 For old zx kwakas don't move the gears without engine running, as you may damage the neutral finder bearing ! That means Don't bump it! If you want to send me a drink as a friend click the link https://www.paypal.com/uk/webapps/mpp/send-money-online my email is combert@tiscali.co.uk. ;-)





Honda Nighthawk 700s transmission
Finished the teardown of the spare engine on the Honda Nighthawk 700s. I need the shift forks for the other engine.





honda cb 750 nighthawk sc 1984





Motorcycle Splitting The Crank Case Pt1
Part one of a DIY series.Bad transmission.Splitting the crankcase.With Basic Tools.1998 zx 900 Kawasaki Ninja





Motorcycle Transmission in action
The inside of a motorcycle gearbox. With my right hand I am spinning the axle and with my left hand I am shifting through the gears. 1-N-2-3-4-5 Transmission is of a 1981 Yamaha SR250.





Honda CB750 transmission shifts
Honda transmission shifting





Suzuki GSX-R Transmission Install & crankcase assembly
Suzuki GSX-R Transmission Install & crankcase assembly. In order to get to the gears the crankcase has to be deconstructed since it houses both the engine & transmission. This video shows parts of the reconstruction process.





XR600R Rebuild Part 7 of 11
Steps to installing the following: - Mainshaft - Countershaft - Shift drum - Shift forks - Shift fork shaft - Shift spindle - Right crankcase - Stopper arm - Shift cam plate





MAPPED - Project NIGHTHAWK - Honda CB700 Nighthawk
Its early (very early) on a Saturday. Cal and I are on the road to Scotland to collect his new stead; the Honda CB700 Nighthawk. This is our journey over 550 miles, covering England, Scotland and Wales between 05:30 and 19:30 on the 31st March 2012...needless to say it was a very, very long day!





Honda CB450 shift problem diagnosis
This bike has the infamous 2nd shift problem Symptoms include: popping out of 2nd gear not going into 2nd gear Basically every part that could wear out....did. Parts worn: shift drum detent wheel 2 of 3 shift forks *Dad, i solved it, this will be a bad bike when its done. Thanks for the support! -Dan*





Honda Nighthawk 700s new engine start up
Honda Nighthawk 700s new engine start up. Getting a few noises but otherwise looks good, still need to sync the carbs and fix an oil drip.





I Shift without the clutch Dirtbike
Explaination of why I shift without the clutch, there have been a few of these questions in the comments before.





86 honda nighthawk S cb700sc





Which car is faster? Which Car is Faster?




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