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Restoration and rebuild Suzuki GT750-B (HJB)

Looking bad, the chrome airbox covers are to bad to put on a restored GT750. We need them to be rechormed.
Looking bad, the chrome airbox covers are to bad to put on a restored GT750. We need them to be rechormed.
Looking bad, the chrome airbox covers are to bad to put on a restored GT750. We need them to be rechormed.
Looking bad, the chrome airbox covers are to bad to put on a restored GT750. We need them to be rechormed.
Looking bad, the chrome airbox covers are to bad to put on a restored GT750. We need them to be rechormed.
And of course all the bolts with the SUZUKI S we will re-use again.
And of course all the bolts with the SUZUKI S we will re-use again.
Nice all the bolts, nuts and bits are back from the zinc plater. It's all looking brand new.
Nice all the bolts, nuts and bits are back from the zinc plater. It's all looking brand new.
All paint removed, the panels are ready to go to the painter.
All paint removed, the panels are ready to go to the painter.
All paint removed, the panels are ready to go to the painter.
Before the side panels of the GT750 go to the painter we need to remove the paint.
Before the side panels of the GT750 go to the painter we need to remove the paint.
Sadly we need to repaire one of the side panels of the GT750.
Sadly we need to repaire one of the side panels of the GT750.
Sadly we need to repaire one of the side panels of the GT750.
Before the side panels of the GT750 go to the painter we need to remove the paint.
Before the side panels of the GT750 go to the painter we need to remove the paint.
SITE UPDATE 03092026: Fuel tank bottom after we wet-blasted the bottom. Ready to go to the painter.
SITE UPDATE 03092026: Fuel tank bottom after we wet-blasted the bottom. Ready to go to the painter.
Of course we will de-rust the fuel tank before painting. BEFORE PAINTING the fuel tank we will de-rust the fuel tank inside first and after that we will seal the fuel tank. BTW: This is the right procedure, otherwise the fresh new paint can be damaged.
Of course we will de-rust the fuel tank before painting. BEFORE PAINTING the fuel tank we will de-rust the fuel tank inside first and after that we will seal the fuel tank. BTW: This is the right procedure, otherwise the fresh new paint can be damaged.
Of course we will de-rust the fuel tank before painting.
Of course we will de-rust the fuel tank before painting.
Of course we will de-rust the fuel tank before painting.
Of course we will de-rust the fuel tank before painting.
Of course we will de-rust the fuel tank before painting.
Of course we will de-rust the fuel tank before painting.
Of course we will de-rust the fuel tank before painting.
Of course we will de-rust the fuel tank before painting.
SITE UPDATE 14082026: Today we got the fuel tank back from the paint stripper. Looks very bad due to a large amount of rust at the bottom. One good thing, just a small dent.
SITE UPDATE 14082026: Today we got the fuel tank back from the paint stripper. Looks very bad due to a large amount of rust at the bottom. One good thing, just a small dent.
Also the cilinder will have a thorough wash and wet-blasted.
Also the cilinder will have a thorough wash and wet-blasted.
Also the cilinder will have a thorough wash and wet-blasted.
All gears and crankshaft removed. We will give the engine a thorough wash and after that it will be wet-blasted.
All gears and crankshaft removed. We will give the engine a thorough wash and after that it will be wet-blasted.
The engine OPEN, again a great milestone done. Now we have top get the crankshaft out for the needed rebuild. The gears will we inspected and repaired when the dogs on the gears are to far gone.
The engine OPEN, again a great milestone done. Now we have top get the crankshaft out for the needed rebuild. The gears will we inspected and repaired when the dogs on the gears are to far gone.
All M8 and M6 the bolts are out, no only all eight M10 bolts need to get out. It was a hard job to do. One M8 bolt and one M6 (nr23) broke and need to be repaired.
All M8 and M6 the bolts are out, no only all eight M10 bolts need to get out. It was a hard job to do. One M8 bolt and one M6 (nr23) broke and need to be repaired.
After drilling the heads of screws sometimes it is easy to remove the rest of the screws. Sadly one screw broke and need to be repaired.
After drilling the heads of screws sometimes it is easy to remove the rest of the screws. Sadly one screw broke and need to be repaired.
There is only one way to remove the engine hose connection at the front of the engine, drilleng the heads of the screws.
There is only one way to remove the engine hose connection at the front of the engine, drilleng the heads of the screws.
All rust and dirty.
All rust and dirty.
Emty clutch compartiment.
Emty clutch compartiment.
Removed the compleet clutch.
Removed the compleet clutch.
Removing the complete clutch.
Removing the complete clutch.
The place for the generator is very greasy and sticky, this seal is certianly leaking.
The place for the generator is very greasy and sticky, this seal is certianly leaking.
POV: Secundairy gear shaft for the front sprocket.
POV: Secundairy gear shaft for the front sprocket.
POV: Starter clutch gear.
POV: Starter clutch gear.
Removing the parts on the LH side of the engine, the ignition cover is removed and the waterpump gear.
Removing the parts on the LH side of the engine, the ignition cover is removed and the waterpump gear.
Removing all the wiring under the GT750 engine.
Removing all the wiring under the GT750 engine.
As there was a wrong fuel tank on the bike we will chemical dip the tank so get back a tank without any paint.
As there was a wrong fuel tank on the bike we will chemical dip the tank so get back a tank without any paint.
We put all the parts on a pallet so the can work on it.
We put all the parts on a pallet so the can work on it.
SITE UPDAT 13082026: We started today with sending the frame and all metal parts to the powdercoater.
SITE UPDAT 13082026: We started today with sending the frame and all metal parts to the powdercoater.
Draining the gearbox, i wondered that the oil was very thin also the gearbox oil smelled as there was fuel mixed with the gearbox oil. We know for sure that the crankshaft needs a rebuild.
Draining the gearbox, i wondered that the oil was very thin also the gearbox oil smelled as there was fuel mixed with the gearbox oil. We know for sure that the crankshaft needs a rebuild.
Elektrical starter engine bay, very dirty. And yes the S-hose is totaly gone, so we will replace all hoses on the engine and the GT750.
Elektrical starter engine bay, very dirty. And yes the S-hose is totaly gone, so we will replace all hoses on the engine and the GT750.
Elektrical starter engine bay, very dirty.
Elektrical starter engine bay, very dirty.
Cilinder and cilinder head, we will check all the M8 threading and after that we will do a rebore withe next oversized pistons.
Cilinder and cilinder head, we will check all the M8 threading and after that we will do a rebore withe next oversized pistons.
Generator with a severe corroded bolt.
Generator with a severe corroded bolt.
POV: Severe piston damage.
POV: Severe piston damage.
POV: Severe piston damage. Looks like they started the engine without getting the engine warm.
POV: Severe piston damage. Looks like they started the engine without getting the engine warm.
POV: Pistons where the left and centre have some damage on it.
POV: Pistons where the left and centre have some damage on it.
POV: Pistons where the left and centre have some damage on it.
POV: Pistons.
POV: Pistons.
The left side of the engine and cilinder with removed cilinder head.
The left side of the engine and cilinder with removed cilinder head.
CLOSE UP: Cilinder and pistons. The pistons are very worn.
CLOSE UP: Cilinder and pistons. The pistons are very worn.
Cilinder head and the cilinder head bolts whoch are very rusty.
Cilinder head and the cilinder head bolts whoch are very rusty.
It was some work to remove all the cilinder bolts. There was a lot off corrosion inside of the M10 bolts.
It was some work to remove all the cilinder bolts. There was a lot off corrosion inside of the M10 bolts.
SITE UPDATE 11082026: Today we started to dis-assemble the GT750 engine.
SITE UPDATE 11082026: Today we started to dis-assemble the GT750 engine.
The front 19" rim is very bad and has a lot of rust on the rim and spokes.
The front 19" rim is very bad and has a lot of rust on the rim and spokes.
The front 19" rim is very bad and has a lot of rust on the rim and spokes.
The front 19" rim is very bad and has a lot of rust on the rim and spokes. We will revommend the client to replace this rim with new spokes.
The front 19" rim is very bad and has a lot of rust on the rim and spokes. We will revommend the client to replace this rim with new spokes.
And of course the engine of the GT750 to have a complte rebuild.
And of course the engine of the GT750 to have a complte rebuild.
GT750 cockpit in a box, handle with care.
GT750 cockpit in a box, handle with care.
Rear, inner and front mudguards of the GT750.
Rear, inner and front mudguards of the GT750.
The exhaust will be polished and be used again.
The exhaust will be polished and be used again.
All other parts to be used again on the GT750 in a box.
All other parts to be used again on the GT750 in a box.
All bolts and other metal stuff from the bike to be send to zinc plating.
All bolts and other metal stuff from the bike to be send to zinc plating.
Frame prepared and ready for powdercoating.
Frame prepared and ready for powdercoating.
All prepared parts ready for powdercoating.
All prepared parts ready for powdercoating.
So engine out. We can start to prepare the frame for powdercoating.
So engine out. We can start to prepare the frame for powdercoating.
So engine out. We can start to prepare the frame for powdercoating.
So engine out. This is a real milestone.
So engine out. This is a real milestone.
Now we are ready to remove the engine out of it's frame. This will be a heavy job to do.
Now we are ready to remove the engine out of it's frame. This will be a heavy job to do.
Now we are ready to remove the engine out of it's frame. This will be a heavy job to do.
All rear parts removed.
All rear parts removed.
Removing the parts at the back of the GT750. Tail light, flashers, and the rear mudguard.
Removing the parts at the back of the GT750. Tail light, flashers, and the rear mudguard.
Removing the parts at the back of the GT750. Tail light, flashers, and the rear mudguard.
Removing the parts at the back of the GT750. Tail light, flashers, and the rear mudguard.
Removing the radiator and radiator cover. We see a lot of corrosion.
Removing the radiator and radiator cover. We see a lot of corrosion.
Removing the radiator and radiator cover.
Removing the radiator and radiator cover.
Removing the radiator and radiator cover. The radiator crashbar is very bad, we need it to be replaced.
Removing the radiator and radiator cover. The radiator crashbar is very bad, we need it to be replaced.
Removing the cables on/for the engine.
Removing the cables on/for the engine.
Removing the cables on/for the engine.
Removing the electronic panel. Wondering that all the parts are as new. ThIS GT750 has about 22000km on the speedometer.
Removing the electronic panel. Wondering that all the parts are as new. ThIS GT750 has about 22000km on the speedometer.
Throttle cabels, need to be replaced. It's dangerous to drive with bad throttle cables.
Throttle cabels, need to be replaced. It's dangerous to drive with bad throttle cables.
Removed the mudguard and the calipers with the hoses.
Removed the mudguard and the calipers with the hoses.
Removed the mudguard and the calipers with the hoses.
Removed the mudguard and the calipers with the hoses.
Removed the mudguard and the calipers with the hoses.
No FUSE!? When the rectifier gets a shortcut all the wiring will burn.
No FUSE!? When the rectifier gets a shortcut all the wiring will burn.
Broken 2stroke tank cap. No that's not the way to close an opening.
Broken 2stroke tank cap. No that's not the way to close an opening.
Just a view of the clean ignistion coils.
Just a view of the clean ignistion coils.
Again: Elektric chaos. As an electric mechanic i don't understand how someone can create such a chaos.
Again: Elektric chaos. As an electric mechanic i don't understand how someone can create such a chaos.
Of course first draining the coolant, duh.......... NO COOLANT anymore.
Of course first draining the coolant, duh.......... NO COOLANT anymore.
SITE UPDATE 10082026: Today we started to disassemble the complete GT750.
SITE UPDATE 10082026: Today we started to disassemble the complete GT750.
The GT750-B as it arrived at KnalNaarPotz.nl. Posing.....
The GT750-B as it arrived at KnalNaarPotz.nl. Posing.....
The GT750-B as it arrived at KnalNaarPotz.nl. Not many driven kilometers.
The GT750-B as it arrived at KnalNaarPotz.nl. Not many driven kilometers.
The GT750-B as it arrived at KnalNaarPotz.nl. Posing.....
The GT750-B as it arrived at KnalNaarPotz.nl. Posing.....
The GT750-B as it arrived at KnalNaarPotz.nl. Posing.....
The GT750-B as it arrived at KnalNaarPotz.nl. The brakes are very bad these need also a rebuild.
The GT750-B as it arrived at KnalNaarPotz.nl. The brakes are very bad these need also a rebuild.
The GT750-B as it arrived at KnalNaarPotz.nl. Of course we will clean and polish the carburetor block thoroughly and do a complete rebuild.
The GT750-B as it arrived at KnalNaarPotz.nl. Of course we will clean and polish the carburetor block thoroughly and do a complete rebuild.
The GT750-B as it arrived at KnalNaarPotz.nl. The chrome covers can be better.
The GT750-B as it arrived at KnalNaarPotz.nl. The chrome covers can be better.
The GT750-B as it arrived at KnalNaarPotz.nl. Bad repair and welding. Sadly the radiator crashbar is very rare and hard to find. We managed to find a new radiator crash bar.
The GT750-B as it arrived at KnalNaarPotz.nl. Bad repair and welding. Sadly the radiator crashbar is very rare and hard to find. We managed to find a new radiator crash bar.
The GT750-B as it arrived at KnalNaarPotz.nl. The chrome covers can be better.
The GT750-B as it arrived at KnalNaarPotz.nl. The chrome covers can be better.
The GT750-B as it arrived at KnalNaarPotz.nl. Corrosion, of course we wil polish al the engine covers and parts.
The GT750-B as it arrived at KnalNaarPotz.nl. Corrosion, of course we wil polish al the engine covers and parts.
The GT750-B as it arrived at KnalNaarPotz.nl.
The GT750-B as it arrived at KnalNaarPotz.nl.
The GT750-B as it arrived at KnalNaarPotz.nl.
Just for tagging: Motor revisie GT750 GT550 GT380 T20 T500 GT2500 T350 krukas revisie cilinder boren en honen polijsten onderdelen waterpomp zuigers onderhoud reparatie vervanging restauratie
Just for tagging: Motor revisie GT750 GT550 GT380 T20 T500 GT2500 T350 krukas revisie cilinder boren en honen polijsten onderdelen waterpomp zuigers onderhoud reparatie vervanging restauratie
SITE UPDATE 09082026: As the Suzuki GT750-B arrived at KnalNaarPotz.nl. This GT750 will have a complete restauration and a complete engine rebuild. Remarkable is that the clients bought this bike back of the former owner lately, this GT750-B belonged to their father a long time ago.
SITE UPDATE 09082026: As the Suzuki GT750-B arrived at KnalNaarPotz.nl. This GT750 will have a complete restauration and a complete engine rebuild. Remarkable is that the clients bought this bike back of the former owner lately, this GT750-B belonged to their father a long time ago.

Parts for this bike

All parts Suzuki GT750

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