Date: 16-05-24  Time: 00:32 am
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Author Topic: Fz1 which oil semi or fully  (Read 2624 times)

daveclark

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Fz1 which oil semi or fully
« on: 20 April 2015, 06:45:46 pm »
What's best engine oil for gen2? I've had some fully synthetic given castrol power1 racing 10w-40.
Question is will it make the clutch slip?

Dave
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PaulSmith

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Re: Fz1 which oil semi or fully
« Reply #1 on: 21 April 2015, 01:25:02 pm »
I just changed mine from own brand "high mileage" semi-synth to Castrol GTX 10-w40 semi-synth. I think that as long as you avoid anything that mentions fuel economy on the label, you should be fine.

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daveclark

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Re: Fz1 which oil semi or fully
« Reply #2 on: 21 April 2015, 02:16:47 pm »
Cheers fella, not many get back to you on here?? Reading around its a bit vague on what you can get away with using, sounds like I may be better sticking to semi.
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brooker81

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Re: Fz1 which oil semi or fully
« Reply #3 on: 21 April 2015, 02:40:39 pm »
Yeah i use Motul Semi Syth. Heard fully may increase slipping.
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DekF

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Re: Fz1 which oil semi or fully
« Reply #4 on: 21 April 2015, 04:19:49 pm »
Castrol Power 1 Racing is one of the best oils there is on the market. It was designed for high performance motorcycle engines.
It's in my S1000r & it was used in Mr Brooker's FZ1 for nearly 30k miles until I changed to Halfords fully synthetic.

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NorthWestern

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Re: Fz1 which oil semi or fully
« Reply #5 on: 21 April 2015, 05:19:08 pm »
It is odd how many people think fully synth causes clutch slip...


I used castrol power 1 in mine (and all my previous bikes), internals look perfect even after doing high mileage.  Currently use Silkolene/fuchs pro 4 fully synth in the gen1, perfect.
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daveclark

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Re: Fz1 which oil semi or fully
« Reply #6 on: 27 April 2015, 03:23:15 pm »
Well after looking round there seems to be a debate but no one has ever had any slipping
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