1978 XS750 300 Mile Update

  Рет қаралды 3,821

Pushrod Fury

Pushrod Fury

4 жыл бұрын

I found a 1978 Yamaha XS750 on Marketplace, it kept popping up and wouldn't go away. I decided to "Just take a Look" and well we all know how that goes... Lots of work and plenty of hidden gems that threw a wrench in the gears along the way. The bike is now running and a real treat to ride. The bike was parked in 1983 by the original owner and traded hands 3-4 times, but not one mile put on the clock in 37 years, and it was never registered to anyone else. In the past few weeks I was able to do about 150 miles of road tests and tuning followed by a 166 mile ride along the Hudson River. I believe the bike is happy to be on the road!
My Full Build List and Vendor Information:
muller-gear.com/xs750-special
Voltmeter:
• Kawasaki Z1 Super Six ...
itstillruns.com/wire-motorcyc...
www.ebay.com/itm/MINI-SMALL-3...

Пікірлер: 60
@83flhs
@83flhs 2 жыл бұрын
Getting one of these back on the road after 10 years of storage. Thanks for all the good tips.
@pushrodfury6644
@pushrodfury6644 2 жыл бұрын
Have fun and enjoy the journey! Here's my resource page with vendor info etc: muller-gear.com/78-yamaha-xs750-special
@XS-ry6ig
@XS-ry6ig 2 жыл бұрын
You did a nice job on the bike. I own 2 of these. Mine are the XS1100's. One of mine is a Midnight Special, that one is a complete restore. You can see pictures of it on a group called Yamaha Nation. These are great bikes. Both of mine were basket cases when I got them but not anymore. I love the color of your bike.
@michelbrown1060
@michelbrown1060 Жыл бұрын
For the very best front light, find an old BOSH head beam with 55/80 watts H-4 bulb. . . you'll love it
@reecemulder9257
@reecemulder9257 4 жыл бұрын
Looking great mate, definitely much nicer than the project xs750 I picked up a few weeks ago
@pushrodfury6644
@pushrodfury6644 4 жыл бұрын
Keep us posted on progress and frustrations (not that that ever happens with 40 + yr old bikes!)
@rogerwhite7719
@rogerwhite7719 3 жыл бұрын
Now that!!!! Is freakin cool!
@pushrodfury6644
@pushrodfury6644 3 жыл бұрын
Thank You Mr. White!!!
@rubenenergypoprider2048
@rubenenergypoprider2048 2 жыл бұрын
Fucking awesome, i just got mind 2022,2 weeks ago
@pushrodfury6644
@pushrodfury6644 Жыл бұрын
Love it!!! Thank you - Take your time going through it and it will treat you right. I have put over 4000 miles on her since getting her running.
@georgeerhard1949
@georgeerhard1949 Жыл бұрын
Has the 'second gear' circlip problem been addressed on this bike? Yamaha went cheap on the circlip on the end of the transmission layshaft, and as a result repeated shifting would slam the layshaft around and bend the circlip. This would allow the layshaft to move further and further, until the gear dogs for 2nd gear no longer meshed. At that point you have a 'ghost' second gear. The fix is easy if you have the right tools and a little dexterity. Drain the oil, remove the transmission inspection cover, and using a bent needlenose pliers, remove the bent circlip and replace it with TWO circlips. Replace cover, refill the oil, and ride. The two circlips together keep the 'bending' action to a minimum. (Altho with the low mileage, you probably haven't even come close to bending the circlip yet.)
@pushrodfury6644
@pushrodfury6644 Жыл бұрын
Hi George, No issues with 2nd gear yet. I have heard of this problem in the FB groups. I hopefully won't have to deal with it for a few years!!! Thanks for watching the channel
@XS-ry6ig
@XS-ry6ig 2 жыл бұрын
Best place to get the electrical parts from is Rick's Stator in New Hampshire. They really know what they are doing .
@pushrodfury6644
@pushrodfury6644 2 жыл бұрын
My Rectifier / Regulator is from Ricks - They do a great job with this stuff!
@XS-ry6ig
@XS-ry6ig 2 жыл бұрын
@@pushrodfury6644 yes they do.
@daviddixon2119
@daviddixon2119 3 жыл бұрын
Great looking 750. I'm currently resurrecting a 78 xs750e and wondering if I can run the Dunlop 404s tubeless. Your caption indicated yours are tubeless, any problems?
@pushrodfury6644
@pushrodfury6644 3 жыл бұрын
Hi David, Thank you! Although the rims are supposed to be used with tubes, I have only used tubeless and have over 1000 miles on them now. What's funny is my sportster video where I show how to prevent the factory tubeless rims from leaking, but the leaks keep coming back!!!
@daviddixon2119
@daviddixon2119 3 жыл бұрын
Thanks for the info. Sorry, but one more question: I bought the Delkevic headers (still in the box)based on your earlier installation video. You mentioned they are quite loud. Too loud for a 70+ year old with questionable hearing?
@pushrodfury6644
@pushrodfury6644 3 жыл бұрын
The system will sound amazing; you will need ear plugs. My bike sounds like a Formula 1 car!
@davesCafe
@davesCafe 3 жыл бұрын
Hi, how loud is the exhaust? Have you ever measured it? I would be very interested, thank you!
@pushrodfury6644
@pushrodfury6644 3 жыл бұрын
Hi David, That can be a trick question because distance from source will greatly impact the decibel level. With that said, the exhaust is so freakin loud, it is out of control. (this is with all the baffles in)
@davesCafe
@davesCafe 3 жыл бұрын
Ok then i will let you know when i got the note from the german regulation for my xs 850 with the exhaust :)
@StarChasershere
@StarChasershere 5 ай бұрын
I bought mine used a 1978 xs750. She had 10k miles and expired in a fire in our town with 89k miles. After the fire some parts were reusable. I found another one, same model for $250.00 with 11k mileage and very clean. Everything was rebuilt to specks. The carb syncing with vacuum gauges and replacing the 3 Diaphragm Assembly's in the carbs is a must have, 2F3-14940-00-00. After 40 years these are DEAD, replace them with NEW ones. This is all very important when slowing down to prevent the shot gun effect that will harm the motor. I like the long runs and during hot days you can hear knocking going on when you get off a HWY run like 100 miles. The xs850 has the oil cooler on them and the 750 will work too. It's a must have to reach 89k with no problems. My bike has a full dress, 3-1 exhaust, cruise control , Vetter Windjammer tall windshield with leg lowers and the Vetter sound system with small amp with micro-card music to headphone in helmet, speakers when stopped, front forks springs upgrade, crash bar with spot light's, saddle bags, the large Vetter trunk and a Saddlemen King/ Queen seat with my back rest mod, and Rear air shocks with air compressor. All this is heavy, but she rides without hands on. A few more note's with all this weight: Use the 850 slotted brake disk's, the non-slot's suck. Use tubes in Both tires, for the rear one get the thick tube. It takes a lot of pain to insert the front tire tube without punching a hole in it, the back is easy to install. USE THE TUBES, don't be fooled, got a rear flat once and tube's saved her and me. My bike road from California to Florida and back three times. Just a few more miles was 90k and still she looked like NEW until the fire. HAPPY RIDING 🏍
@pushrodfury6644
@pushrodfury6644 5 ай бұрын
Wow - that’s a ton of great information, and getting to 89k is huge. I appreciate you taking the time to sure your experience and advice. I’ll have to find some new diaphragms soon. 3x across the country is some serious touring!!!
@StarChasershere
@StarChasershere 5 ай бұрын
@@pushrodfury6644 The Diaphragm Assembly is easy if you do it right. Spray WD40 on old one and pull it out of slider.. Spray WD40 on the new rubber and make sure you clock them in the same spot- very important. Get the new one wet with WD40 and start to put on slider using a credit card to push it all the way in very slowly. If your clock timing is in the wrong place you can move the Diaphragm around a bit. I know a lot about this bike. Hit me up if you have any question's. Forgot to say, 850 pull back bars too relax.
@pushrodfury6644
@pushrodfury6644 5 ай бұрын
@@StarChasershere This is super helpful, thanks again!!!
@blainekinsley829
@blainekinsley829 9 ай бұрын
Hi PRF, Did you ever post another video on the voltmeter install?
@pushrodfury6644
@pushrodfury6644 9 ай бұрын
I know I shot the footage, let me dig around and see what I find. That was 3 cameras ago!!! I’m basically copied Allan Millyard
@blainekinsley829
@blainekinsley829 9 ай бұрын
@@pushrodfury6644 I looked up the Allen Millyard video and watched it. You don’t need to hassle with trying to find your video. I guess my biggest question is: did you just connect to wires in the headlight bucket as Allen alluded to? If so are there some wires better than others? And thanks so much for your videos and quick responses.
@pushrodfury6644
@pushrodfury6644 9 ай бұрын
I made an adapter that allowed me to plug directly into an existing connector. I think I used the headlight positive. I'd suggest using a positive that reads as close to battery voltage as possible when the bike is running.
@samuelheier1464
@samuelheier1464 3 жыл бұрын
How are the carbs jetted? I mostly see pod filters available, so I may just go with the K&Ns myself. I will also look at the delkevic exhaust since the original mufflers on my 750 are rotted out.
@pushrodfury6644
@pushrodfury6644 3 жыл бұрын
Before jetting, make sure you verify the following: Resistance of Sparkplug Wires is correct; Boots are not cracked; Vacuum ports on intake have new plugs. Valve Clearance is correct. Float height is set to specification in manual. I only replace the Main jet with a 145. It is also important to remove and clean the fuel nozzles AKA needle jets. Bench sync the carbs to make sure they are mechanically opening the same amount. Start testing bike with the fuel screws 2 turns out. You will find the center cylinder will run a bit rich, so you may need to turn that screw in a 1/2 - 1 full turn more than the Left and Right Cylinders. One other tip is to paint a small dot with high temp paint on each exhaust pipe close to the head. You can take temp reading using a infrared thermometer. This will save you hours of headaches trying to figure out if all cylinders are running at the same temperature. Too hot = lean, too cold = rich. After all this you should sync them with vacuum gauges. I have been able to put 1500 miles on my bike since getting it dialed in and it runs perfectly, can carry a passenger and sounds like a GP bike. Let me know how it goes or if you have any other questions
@samuelheier1464
@samuelheier1464 3 жыл бұрын
@@pushrodfury6644 thank you so much. I’m in the process of doing a bit of a resto-mod on a ‘77 XS750 2D, so all of this will certainly be gone over. Definitely a full mechanical restoration. The only thing I’m not touching are the beautiful side covers and gas tank.
@huskerbeaver
@huskerbeaver 2 жыл бұрын
@@pushrodfury6644 Did you make any adjustments to the needle clip settings? I have a 79 750 with freshly rebuilt top end with 2nd OS pistons and currently running 137.5's and think I'm running a little small on the mains..
@pushrodfury6644
@pushrodfury6644 2 жыл бұрын
@@huskerbeaver I have the needles in the stock position and running 145 mains. I tried 142.5 but it was too lean. Your middle fuel screw will not need to be out as far as the outers. Makes sure you read the temperature at the to of the exhaust pipe where it attaches to the head. I am around 290F +/-10F
@huskerbeaver
@huskerbeaver 2 жыл бұрын
@@pushrodfury6644 Thanks for the response. I switched out to the 145's last night. Too wet to ride it but it did seem to have better throttle response. I was getting around 285-295 on the outer cylinders but considerable cooler (220F) on the middle cylinder. I will keep adjusting the middle cylinder leaner to see if I can get it up to the same temp.
@robelder9464
@robelder9464 9 ай бұрын
Would love to see your 'My Full Build List and Vendor Information' possible. The link goes 404. I'm working on the exact same bike and always scrounging for info!! Thanks
@pushrodfury6644
@pushrodfury6644 9 ай бұрын
Let me fix that link, and thanks for letting me know it’s not working!!! Try this: muller-gear.com/78-yamaha-xs750-special#59922dc4-fe49-463a-a76c-019df03e24c3
@robelder9464
@robelder9464 9 ай бұрын
Thanks a lot! Works now.@@pushrodfury6644
@BloodNuke76
@BloodNuke76 Жыл бұрын
what is the part number are the air filters?
@pushrodfury6644
@pushrodfury6644 Жыл бұрын
www.knfilters.com/rc-1200-universal-clamp-on-air-filter
@johnsongene9179
@johnsongene9179 3 жыл бұрын
are those petcocks on the bike manual or vacuum?
@pushrodfury6644
@pushrodfury6644 3 жыл бұрын
Sorry, they are manual and I got them from 2FastMoto
@randywatsonii3173
@randywatsonii3173 2 жыл бұрын
Is there any fork lock on these? I picked one of these up in a 79 a couple days ago. Fortunately it runs quite well, previous guy did some good on mine before selling. I'm optimistic this thing will be easier than the Buell I had, couldn't reach many things on the Buell.
@pushrodfury6644
@pushrodfury6644 2 жыл бұрын
It's always better to start with a bike that runs! Yes, the ignition key locks the steering. You have to turn the handle bars and engage the lock by turning the key counterclockwise
@randywatsonii3173
@randywatsonii3173 2 жыл бұрын
@@pushrodfury6644 Thanks so much! that was swift!
@randywatsonii3173
@randywatsonii3173 2 жыл бұрын
@@pushrodfury6644 I really want to ditch the mags and get spokes. I have spokes on my Stingray and am totally in love with the look.
@pushrodfury6644
@pushrodfury6644 2 жыл бұрын
@@randywatsonii3173 I have seen spokes on XS750s but have no idea how they did it considering the rear hub? Let me kniw if you find a solution!
@randywatsonii3173
@randywatsonii3173 2 жыл бұрын
@@pushrodfury6644 will follow that up for sure, might need a little time but I'll get to it lol! Also, locked my fork, but when key is turned all the way anti-clockwise the brake light is illuminated. I'm gonna guess this is some roadside safety/hazard intention?
@joepalanza8753
@joepalanza8753 3 жыл бұрын
What petcocks did you use?
@pushrodfury6644
@pushrodfury6644 3 жыл бұрын
2FastMoto: www.2fastmoto.com/Yamaha-Petcock-Fuel-Gas-Tap-Valve-Right-or-Left-XS650-XS750-Special-XS850-XS1100_p_954.html You need to save and reuse your mounting crews and sealing washers. There isn't a good alternative to the stock hardware. The petcocks work great though!
@joepalanza8753
@joepalanza8753 3 жыл бұрын
@@pushrodfury6644 Were the new petcocks the same size as the old Ones? I bought a pair offline before and the base of the new petcocks where it mounts to the tank were quite a bit shorter. Looks that way in the picture too.
@pushrodfury6644
@pushrodfury6644 3 жыл бұрын
@@joepalanza8753 Mine were the exact same size where it mates to the gas tank
@joepalanza8753
@joepalanza8753 3 жыл бұрын
@@pushrodfury6644 thanks! I appreciate the help. Bike looks great!
@pushrodfury6644
@pushrodfury6644 3 жыл бұрын
@@joepalanza8753 Thanks Joe, it's always in progress. Next is replacing the tach seal on the head!!!
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