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R6 GEARBOX PROBLEM?

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V4
Trackday Trickster



Joined: 10 Nov 2004
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PostPosted: 18:27 - 25 Sep 2005    Post subject: R6 GEARBOX PROBLEM? Reply with quote
Im looking at buying a mates 2000 r6 cheap, he wheelies it like a bastard and his 2nd gear has gone twice now, how much is a new second gear likely to set me back? How much life can you expect?

Is this a common problem? cheers

Leon
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stu_m
Crazy Courier



Joined: 27 Jun 2005
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PostPosted: 19:18 - 25 Sep 2005    Post subject: Reply with quote
a gear is usually about £80

its the labour that costs

there easy to make if your a gear cutter like me Laughing Laughing
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V4
Trackday Trickster



Joined: 10 Nov 2004
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PostPosted: 19:47 - 25 Sep 2005    Post subject: Reply with quote
Can you get any heavy duty aftermarket gears? And are you really a gear cutter? lol Laughing

LEON
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stu_m
Crazy Courier



Joined: 27 Jun 2005
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PostPosted: 19:53 - 25 Sep 2005    Post subject: Reply with quote
yes i am a gear cutter

it will cost you more to get a company to make you one as you pay for the time it takes and heat treat as well

its cheaper to buy OE as they make them by the thousands
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Wooly R6
World Chat Champion



Joined: 19 May 2005
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PostPosted: 16:19 - 26 Sep 2005    Post subject: Reply with quote
i wouldnt even think about buying it!!!! Rolling Eyes
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Kickstart
The Oracle



Joined: 04 Feb 2002
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PostPosted: 19:50 - 26 Sep 2005    Post subject: Reply with quote
Hi

Problem is not the gear, it is the engine strip / rebuild that will be required to fit it. Just the gear, gaskets and sundries (oil, coolant, etc) will be around £200 before you spend the time / pay the labour for doing the job.

All the best

Keith
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feef
Energiser Bunny



Joined: 11 Feb 2002
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PostPosted: 00:55 - 27 Sep 2005    Post subject: Reply with quote
stu_gsxr wrote:
yes i am a gear cutter

it will cost you more to get a company to make you one as you pay for the time it takes and heat treat as well

its cheaper to buy OE as they make them by the thousands


but do you do any one-offs??

I'm planning on putting the YZF750 6 speed box in my spare thunderace engine, but 1st and 6th ratios are the same as the standard 1st and 5th ratios that come with the 'ace.

If I was to get a couple of gears custom made, and ran a higher sprocket ratio, it would give me more akin to the current gearing with a 6th, higfher gear which I would find useful when sat on the Mway, or when touring.

is it feasible to get a couple of gears custom made, or are we talking silly money?

a
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tonyyzf
Brolly Dolly



Joined: 13 May 2005
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PostPosted: 08:27 - 27 Sep 2005    Post subject: Reply with quote
You'd be a lot cheaper just raising the size of your front sprocket by one tooth
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craigT19
Jolly Green Giant



Joined: 09 Feb 2002
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PostPosted: 10:43 - 27 Sep 2005    Post subject: Reply with quote
ive got an old r6 engine including gearbox from a 2000 R6 at work,

had to be replaced cos the owner had worn out al the selector forks, gears them selves are fine tho, ill take a look tomorrow and get back to you.
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Kickstart
The Oracle



Joined: 04 Feb 2002
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PostPosted: 13:56 - 27 Sep 2005    Post subject: Reply with quote
feef wrote:
is it feasible to get a couple of gears custom made, or are we talking silly money?


It would probably be better to have a hunt through the Yamaha parts lists and find suitable standard gears. Basically the same engine is used on the FZ750, FZX750, FZ700, FZR1000, FZR1000 EXUP, FZR750, FZR750 OW01, YZF750, GTS1000, Thunderace and YZF750 / YZF750SP. Good chance that you can source a suitable couple of gears from one of those.

This guy might be worth contacting as he has a wealth of knowledge on the older 5 valve Yamaha engines.

All the best

Keith
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feef
Energiser Bunny



Joined: 11 Feb 2002
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PostPosted: 18:01 - 27 Sep 2005    Post subject: Reply with quote
tonyyzf wrote:
You'd be a lot cheaper just raising the size of your front sprocket by one tooth


which will also raise the gearing of 1st..

what I really want is to effectovely keep as close to the ratios I have, and gain a 6th higher gear... an "overdrive" if you will.

a
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feef
Energiser Bunny



Joined: 11 Feb 2002
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PostPosted: 18:12 - 27 Sep 2005    Post subject: Reply with quote
Kickstart wrote:
This guy might be worth contacting as he has a wealth of knowledge on the older 5 valve Yamaha engines.


good find..

cheers..

good read too..

a
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stu_m
Crazy Courier



Joined: 27 Jun 2005
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PostPosted: 23:08 - 27 Sep 2005    Post subject: Reply with quote
feef wrote:

is it feasible to get a couple of gears custom made, or are we talking silly money?



silly money

your talking about £300 quid maybe more for a gear


its the time it takes to make then there is the hardening process
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craigT19
Jolly Green Giant



Joined: 09 Feb 2002
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PostPosted: 12:43 - 02 Oct 2005    Post subject: Reply with quote
probably easier to buy a new lump mate.
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