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techhelp header V2

Send your queries to This email address is being protected from spambots. You need JavaScript enabled to view it. and let's see if we can help?

Charge me

GS1000G chargeQ: I own an old 1981 Suzuki GS1000 G, the one with the shaft drive. It’s covered, well… I have no idea really because the speedo has broken, and I fitted a new cable but it still doesn’t work. But that’s not why I’m sending this.

The bike doesn’t charge so the battery is always dead. YES; I put in a new battery but it’s still not ‘playing’ nicely.

So basically ‘know-it-all’ dudes, what are my options and what can I do to get some voltage out of the old girl?

Janie

A: Well, you either have a faulty stator sitting behind the left side engine cover, which needs to be checked by a decent electrician to be sure. You won’t have to buy a new one, if so, because they can be repaired. Or, more than likely, it’s the regulator/rectifier unit, they break, a lot.

That can also be checked easily to see if it’s malfunctioning. Go onto the Internet and many people will tell you how to do so. If so you’ll have to replace it with either a used one from a breakers, or buy a new one. The genuine Suzuki part will be horrendously expensive so check on the Internet for replacement alternatives, there’re many?

Stay in!

1983 KawasakiGPz1100Q: I’ve just been reading about this recall on Yamaha’s ‘super-fancy’ R1 regarding gearbox issues. And this is why I’m writing because my old 1983 Kawasaki GPz1100 also has very irritating gearbox issues as well.

Yes, I know it’s an old bike with 85,000km thrown through the motor but the problem gets worse by the day. First gear is OK but when I go into second it always jumps out and scares me! If I change gear slowly, it’s not too bad. The gear linkage was all ‘sloppy’ so I had new bushes and things made to make it like new again, but it hasn’t really cured the problem. I can hold it in gear but I’d imagine that’s not a good thing to do.

So, you clever guys, what are my options here because I believe parts are very scarce for this particular model?

Arno

A: I wouldn’t worry about parts because Kawasaki are very good with spares for their old models, like this, or you’ll find them on the internet somewhere.

But the problem lays with the selector dogs on the second gear and the slots they go into on the accompanying drive gear. They ‘round-off’ over time, and consequently jump out when engaged and cause this problem.

So you now have two options. Buy new gears and install them, or source a complete second hand good condition gearbox for this model. Or, take out your existing gears and find a reputable engineer than can undercut your old gears, but make sure they know exactly what they’re doing or you’ll have to go through the process all over again!

Either way you’ll have to remove the motor and split the crankcases to repair the gears, so make sure you’re up to that task also, or take it to a Kawasaki dealer, which will not be cheap, obviously. Hope this helps?

Funny bottle.

ZX 10 FORKBOTTLEQ: Hi guys, just a quick one. What’s with all these ‘funny bottles’ appearing on the fork legs of modern bikes, specifically the new Kawasaki ZX-10, and the much-anticipated all-new Suzuki GSX-R? Also, every World Superbike and most certainly all Moto GP bikes seem to have them as well.

They also seem to have different length or sizes, so why is that as well? I’d like to know so I can tell all my mates that I pretend to know everything.

Corbus.

A: They’re called ‘accumulators’ and they hold gases or fluids that drastically improve the damping capabilities of the front fork. What they basically do is to make the front fork work like the rear shock to put it into simple terms. But they do cost more, which is why the bike carrying them will undoubtedly be more expensive.

The different shapes and sizes will alter the damping rates for different tracks and surfaces. And, there’s a big reason for these appearing on new bikes – they work and vastly improve the front-end feel and grip of the bike – if you can ride fast enough to appreciate them that is!

Rough R1.

2013 yamaha r1Q: I’ve had a 2013 Yamaha R1 for a year or so now with no problems, obviously until now or I wouldn’t be sending this mail.

I went out for along ride, 200km +, the other day and came home with a sick bike that sounds really rough on idle and doesn’t pick up cleanly anymore. I changed the plugs, which wasn’t easy, in case that was the problem but the annoying ‘roughness’ remains.

So basically please help and tell me what to look for next?

Thanks guys…

Colin Mitchell.

A: Let me first ask if you did a ‘violent’ down shift at any time because this could point to the problem? And if I were you, DO NOT start the engine again until you do exactly as I say Colin!

Find someone with leak-down testing device and check the compression on all four cylinders and make sure they’re all within factory tolerances, very important this, because it will tell you if you’ve bent a valve or two?

My suspicions are that this is the problem here because I’ve seen it already with this particular engine. If you keep trying to start the engine, if this is the case, you’ll do even more internal damage. And if there is a ‘dropped’ valve or two, which the compression test will tell you, you’ll have to pull off the head and repair the damage, which won’t be cheap depending on how bad it is inside. Sorry mate for the bad news – go have a beer or twelve.

 

 

 

 

 

 

 

 

 

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