Russ750ET

Nice idea! Looks tidy

Got a 1980 GSX750, running pod filters, so no airbox or filter box etc. I'd like to tuck the battery up and under the seat to empty out and 'clean up' the look of the area below the seat/side covers and behind the engine. I'm sure this has been done 1000s of times, just looking to see how others have done it. Any design recommendations? I want to stick with regular lead acid batteries for the moment after having a scare with a Lithium Ion

I've messaged old grumps, he's going to get back to me once he's been to his unit. The jets are M5 x 0.8 pitch and 8mm in length. I can't see any identification for the jet size and it's too small an orifice to measure accurately.

It doesn't appear as though Allen's stock them. Do you know if these jets are essential to the operation of the carbs? Struggling to find much info on them but they appear to be some kind of tuning aid

In the process of stripping and rebuilding a set of 1980 Mikuni BS 32mm carbs from a GSX750. One of the jets (i assume its a jet?) on the inlet side of the carb is mashed and I don't want to attempt to use it again. The exploded diagram on CMNSL doesn't seem to show it, and I can't find anything that matches the part in the parts list either? https://www.cmsnl.com/suzuki-gsx750-1980-t-e01-e02-e06-e22-e24_model13722/partslist/FIG-11.html#.XnuVeYj7SUk Can someone tell me what it is and where I can get a replacement from?

I gave the carbs a quick scrub before vapour blasting to remove the worst of the grime etc. I did the ultrasonic clean after the vapour blasting. There was a small amount of the blast media in the tank after the cleaning cycle but not a silly amount. Between using the ultrasonic cleaner and good go through with the air gun I had the carbs spotless prior to rebuilding. I would personally recommend vapour blasting for carbs. For really rough, dirty carbs, the results are 100X better than you could ever get with just cleaners and a brush.

Carbs built up and back on the bike. What a faff these are to get back on with the stock airbox! Bike started up relatively easy and sounds smooth. Was easy to find a smooth idle and the engine seems to pick up a bit quicker now. I imagine having the floats all set evenly to spec and the pilot screws adjusted equally has helped this, as they were all over the place before. Could be a while before I can get the bike on the road with this weather but I'm confident the carb rebuild has done it some good.

Just thought I'd follow up on this thread... took a while but I finally got round to getting the carbs from the GSX1100 rebuilt. I followed the guide posted by BigT and it made the process very straight forward and easy. The carbs were in a bit of a state so I'm glad I did give them an overhaul. I did go down the vapour blast route and so far, I am very glad I did! I used Factory Finish Vapour Blasting, and the results were fantastic, the carbs have come up like new. To ensure the carbs and internals were totally spotless I invested in an Ultrasonic Cleaner (E bay £55 and it works a treat!), each carb went in for an hour with just straight forward fairy liquid and it was impressive how much crud came out. I'm just waiting for some parts to come back from plating then I can gang them back together and re fit. I'll be sure to get the carbs vacuum synced to complete to overhaul. I'll report back again after that's done, I'm looking forward to seeing how the bike runs, fingers crossed really well!

Welcome to the OSS! Nice ride, I like your choice of mods. Subtle but nicely done! In terms of lightening it up, you might struggle a bit! Its a typical solid and slightly overbuilt 80's japanese bike, so will always be a heavy bike. If you want to lighten it up in terms of riding feel then raising the rear end by adding some compression to the springs, and lower the front by dropping the forks through the clamps a few mm will help to make it feel more agile and easier to turn on the road. From what I've read, these GSX's have a bit of a lazy geometry.

I doubt the best option but an option none the less.... Gen 1 Hayabusa front end (forks are very short stock though, I had them lengthened) and a rear end from a GSXR750 K model Looks a bit like this

Check out page 2 of this guys build!

That's perfect, thanks!

I'd like to get the OEM carbs from both my 1980 GSX750 and 1100 vapour blasted as both sets are looking dull and murky and letting the bikes down a bit. I've got a good local contact for the vapour blasting, and would like to do the disassembly and re assembly myself to save cash. I'm just looking to get some info on this if possible before I go tearing into them. What is generally needed in order to do a full carb strip and rebuild? Does anyone sell a kit for these carbs? Anything in particular to look out for with these carbs etc? Cheers!

That's perfect, thanks for the responses gents. Seems like a no brainer to have a go and rebuild it. I'll use the advice mentioned and see how it goes! Thats a good point about keeping the keys matched too by keeping the original ignition barrel.

Looking for some advice.... After many electrical cut outs I have finally (hopefully) found the root cause of the electrical issues on my 1980 GSX1100. The contact (2nd in from the right) on the ignition barrel has correded/come away and is making an intermittent connection. The dash/nuetral light was flickering on and off as I wiggled this wire. What are my options with regards to solving this? I would like to keep the bike as standard as possible so keeping it OEM would be ideal. For peace of mind I'm thinking it may be better to buy new as I do plan on keeping this bike for a long time to come. Where is the best place in the UK to get OEM old skool Suzuki parts?

Just saw your thread, a great read so far! Virtually identical to my situation... I have a 1980 GSX1100 left to me by my Dad. Lovely bike to ride but its not without it's issues. Fair play for tearing right into it, it wont be cheap but you wont regret it once its running 100%! Keep the updates coming