R-6 Head Gasket

[krid80]

NO you will not lose low end torque with the cam swap. It actually gained some low end torque with the cam swap. Love how people on this forum speculate that any mod made is a disaster.

Yamaha gained the low end torque on the FZ with smaller throttle bodies and different intake tract.

The duration on the R6 cams actually improve the low end torque on the FZ.

Also the FZ cams are solid cast steel and the R6 cams are hollow billet cams. Big rotating weight savings. The cam sprockets from the R6 are much lighter also.

Part numbers are

5SL-12170-00 and 5SL-12180-00

I have a set of R6 cams with cam sprockets for sale if anyone is interested. Engine I took them from had 2000 miles on it.

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Dude. I gotta meet you. We need to go for a ride when it warms up.

 

[urbanj]

NO you will not lose low end torque with the cam swap. It actually gained some low end torque with the cam swap. Love how people on this forum speculate that any mod made is a disaster.

Yamaha gained the low end torque on the FZ with smaller throttle bodies and different intake tract.

The duration on the R6 cams actually improve the low end torque on the FZ.

Also the FZ cams are solid cast steel and the R6 cams are hollow billet cams. Big rotating weight savings. The cam sprockets from the R6 are much lighter also.

Part numbers are

5SL-12170-00 and 5SL-12180-00

I have a set of R6 cams with cam sprockets for sale if anyone is interested. Engine I took them from had 2000 miles on it.

.

So this being said, what were the end results? Or was it just seat of your pants? I'm very interested in doing this... how much for the set up?

 

[urbanj]

More questions the cams and sprockets are a direct bolt in? or do you have to degree them somehow. and what do you do for fuelling? I'd guess it would need some adjustment.

 

[opnwhlmnd]

The cams are a direct swap. Just have to adjust the valves.

However anytime you degree cams it helps. You can retard the cams up to 4 degrees and that will help top end power. You can also advance the cams up to 4 degrees and that will help bottom end. You can also advance one and retard the other to change lobe seperation angle of the cams. I have mine installed 2 degrees advanced on the intake and straight up on the exhaust. That reduces valve overlap. The smaller lobe seperation angle helps in the bottom and mid-range performance.

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[urbanj]

nice. I wasn't sure if the sprockets were adjustable. Good to know.

 

[Discofrank]

NO you will not lose low end torque with the cam swap. It actually gained some low end torque with the cam swap. Love how people on this forum speculate that any mod made is a disaster.

Yamaha gained the low end torque on the FZ with smaller throttle bodies and different intake tract.
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hey i never said it would end in disaster

i was under the ( what i now know is a wrong) assumption that our low end torque cam from the cams alone..


mm with a set of as u say lighter cams and some fiddling with the cam timing a nice good midrange is able to be set up and should allow for a slightly faster reving engine..

how much u want for those cams?