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Unfortunately as of today as i was going to clean out the head and lap the valves, i discovered a crack between the sparkplugwell and an inlet valve in cylinder 2 and 3. So i guess ill be needing a new head. The rest of the engine looks REALLY good, pistons, walls, cams, rockers etc. What head will be my best option? I've read that a GSXR1100 (86-90) or GSXR750(87-89 short stroke) would be a good improvement cause of better airflow. Are one of these a straight bolt on or what should i be expecting?

hey, people!I was wondering if I can get some help.. I have an old Suzuki AE50 / Hyper / Hi Up, with a 11 digits frame number on it.. I believe it's a japanese frame number, and I need to discover the model year of the scooter (it's something about 1988 and 1996) but in the frame number, the tenth digit is "7", and in tradicional VIN's it means "2007" and don't make sense hahadoes anybody knows something about it?

Hi all, I've been looking all over to find a service manual for my GSX, with no luck what so ever. I need to change most of the gaskets but have little to none experience with the enormous 16valve complicated engine. Anyone have some advice on how to find a workshop manual for this engine, please let me know! See also attached pictures.

Is it possible to swap in another engine into my Suzuki GR650 Tempter 1983? If so, what engines could fit with little to no modifications?

Hey! Got my first bike this week, gsx400 '81 café racer! Really pleased with the looks of it, exept the big and boxy original intrument cluster. Anyone know the rpm/60kmh ratio for the speedometer? And is the tacho electrical or wire? Thanks!

Got a spare 98' Bandit 600 that I'm bored of and want to make into a little fun project. Would love to turbo charge it. A few things to consider: Blow through or draw through? I'd like to go draw through as there are less things to tinker with/modify and just looks a whole lot easier and possibly cheaper. Oil feed for the turbo. Best way to go about this? What turbo to use? Something easy to spool, something that won't create too much power. Cooling? Obviously the bike is oil cooled. You don't need an intercooler to run with a draw through turbo setup. Would a bigger oil cooler rad be a good option? Just asking for anyones know-how on this situation. Any tips, tricks and wisdom will be greatly appreciated.

Hello Guys. I'm back with some more questions about my GS. So I currently want to make a custom exhaust from stainless steel myself.. obviously a pipe that's already ready to be cut sort of thing. Yes, I understand that basically straight piping the bike is bad and will create a vaccum to suck cold air in, yes I know. I understand all of the risks. What I do not understand is what to use and where to even start? It's a 1990 GS500E. I want to cut down past the can about maybe 6-8 inches and create an outer facing hole so instead of the exhaust end-hole facing behind me, it faces directly to my left or at an angle towards the back. Someone please fill me in on how and what I can do to get this started.

Hello all. I am new to the Suzuki Community and am very excited what is ahead of me on this. I am looking forward to getting a new to me but old to age a 1990 GS500e. It's saw better days, it seems to need a carb rebuild kit (already ordered), needs a battery (will pickup in the future), But on the right side of the engine case, there is a hole about the size of a half-dollar. It is a common thing on most of the GS's that I see, but a lot of times I see them covered by a Suzuki Emblem, I would think that it needs a plug or something, such as some dual sports, they are called Engine Plugs. Was just curious if I need to buy a part for this or if I can just throw the adhesive logo over it? attached files are both of the right side of the bike, please look down at the engine case and give me some feedback. Thank you all -Ricky

Hey! I'm hoping the vast knowledge you guys share may be able to assist/help me. I will state now, mechanically, I'm really not the best (At least, on old school bikes ironically). I'm happy to get stuck in, and I learn very quickly, but my knowledge of motorbikes and fixing them as of the moment is rather lacklustre, hence me being here to ask a few questions! I do apologise for any stupid questions in advance (Just keen to learn more) I recently inherited a Suzuki GSX 1100 1980 ET from my Dad. He'd had it MOT'd about 8 years ago, put it in the garage and never used it since. We recently brought it out, took her up for repair where the head gasket was replaced, fork springs were too small so they were adjusted, a general overview/maintenance. The guy had the bike for a total of 30 work days (Not including weekends). Cost about £2k or so to all in all. He stripped the full top end and nothing nasty was found. MOT passed fine (Literally on Saturday) I rode her home Saturday, what a bloody ride. Absolutely in love. But, I noticed on my left foot there was oily residue which appeared to be leaking from the side cover. Feeling alongside the ridge, it was dry, then suddenly wet alongside the gasket there. (see picture) It seems like it's running down the various bolts there. Problem 1. I also noticed that once the engine had heated up enough, oil was dripping on the exhaust manifold from the head (causing smoke to appear because of how how the manifold was). (see pictures, with oil drip on the bolt itself) I was unsure whether this was due to the gunk not being cleared off from before and it leaking and the guy who had replaced it hadn't really cleaned the area around it. I've given this a wipe with a rag, but I'm still pretty sure I still see oil around the main nut here and/or feeling it, the consistency is that of new oil. But then, I'm really bloody unsure. On to the main issue. Yesterday, I put in the straight through baffle (My dad recommended I did) and didn't make any changes to anything else. Bike was running absolutely fine, no issues. Some guy cut me off, so I went to honk, realised how crappy it was and accidentally stalled the bike. No biggy. Went to re-start, and from that point onwards, the bike was 'boggy'. There's no other way I could describe it other than it felt 'laggy' - it didn't sound right, almost like it wasn't firing correctly. Accelerating took forever. The moment I came up to a roundabout and pulled the clutch in, she died on me. I tried to restart her, but no luck. Choke out etc. I tried starting her while accelerating, which worked, but then immediately died once then RPM hit idle (1-1.5k~). I was about a mile away, so managed to get her back to the garage, by constantly revving. Moment I pulled the clutch in, instantly died again. It was still consistently sounding, well, fucked. I tried starting her once she was at the garage, no dice. I let her cool for half an hour or so, tried once more with the choke out, started normally, didn't sound strange or anything at all. This morning, I whacked the other baffle back in (The original, non straight through one) - Started her, let her warm up. Was playing a bit when letting the choke in and dying, so let her warm up for longer than normal, pulled the choke in, no issues what so ever. Begin riding her, again, no issues. Get to a roundabout, pull the clutch in to kick down into first, instantly died, and then could no longer start her. Quite frankly, I'm really bloody lost. I'm trying to get hold of the mechanic that 'fixed' her for me initially, but during the meantime I was eager to get some other opinions/views. I'm happy to provide pictures/photos/further descriptions if needed. Thanks in advance! TLDR; 1.) Side cover? is leaking. 2.) Head gasket issue still happening? Oil appearing on head/dripping onto exhaust manifold. 3.) Loss of power once engine has been warmed up and accelerating. 4.) Bike dying with clutch pulled in once warmed up and riden for about 5~ minutes.