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Old 23 March 2013, 11:44   #11
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Country: Germany
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Quote:
Originally Posted by Bushrider View Post
Agree with you - but anyway would be interesting or even worth to give it a try !
RI starts end of July .
Interesting it would be
7.800 quid was the deal from your yam dealer? For trying I'd rather buy a Diesel and fit it to the SR for that money. Propably cheaper and more economical.
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Old 23 March 2013, 12:00   #12
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Originally Posted by Mextli View Post
7.800 quid was the deal from your yam dealer? For trying I'd rather buy a Diesel and fit it to the SR for that money. Propably cheaper and more economical.
7300,-€ , not GBP , not Rubels = EURO and not 7800 but 7300 .
If you find a new motor cheaper let me know .
If you want to test a diesel on your SR go ahead but in another thread please .
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Old 23 March 2013, 12:19   #13
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Country: UK - Wales
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Boat name: DynaMoHumm/ SRV/deja
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At todays exchange rate that works out to about 6400 quid which is a very good price. the box shifters are looking for 6900 over here. i would n't want to loose 3 of the 5 years warranty buying that secondhand engine.

If I am correct the Yammie warranty is worlwide? Does your deal include the controls, props and gauges.
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Old 23 March 2013, 12:24   #14
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Quote:
Originally Posted by Bushrider View Post
7300,-€ , not GBP , not Rubels = EURO and not 7800 but 7300 .
If you find a new motor cheaper let me know .
If you want to test a diesel on your SR go ahead but in another thread please .
Don't feel offended I was just sayin' that upgrading the Engine on an already well-engined SR5.4 is more expensive than I'd consider paying for the slight loss on performance.
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Old 23 March 2013, 12:27   #15
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Originally Posted by Rogue Wave View Post
At todays exchange rate that works out to about 6400 quid which is a very good price. the box shifters are looking for 6900 over here. i would n't want to loose 3 of the 5 years warranty buying that secondhand engine.

If I am correct the Yammie warranty is worlwide? does you deal include the controls props and gauges
Just checked - currently the dealer offers a new engine from 2012 for 7.479,-€ , including control box , prop , 25l tank & digital gauge .
I do not need any propeller nor the tank or the gauge - all is available and installed .
May be there´s still room for negotiations .
Warranty would not be an issue bying being a German and bying from a German dealer .
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Old 23 March 2013, 12:29   #16
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Country: UK - Wales
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I was thinking of a Welsh person buying from a German dealer?
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Old 23 March 2013, 12:38   #17
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Country: Germany
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the boat will feel different, and you'd need time to get used to it...
was thinking about that too . but the boat feels already very different during all test runs at sea with 180l fuel on board + gear . This is not the stuff I have every day in the boat .
A new motor would require of course new tests but here I could leave the 3 flexible tanks with 80l total capacity at home cause the 90l inbuild tank would be more than enough for any occasion .

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Originally Posted by Mextli View Post
Don't feel offended I was just sayin' that upgrading the Engine on an already well-engined SR5.4 is more expensive than I'd consider paying for the slight loss on performance.
right - that is why I decided for the 90hp 2 stroke taking into consideration to use the boat just occasionally .
Now since I registered for the RI the savings on fuel would be around 1.000,-€ which would drop the investment for the new motor significantly
If the F70 would do the job I still additionally have good value in the 90hp Yammi selling it .
To summarize - the F70 would cost me around 3000,-€ under the bottom line .

Even if I do not like the performance - I could sell the motor after the RI and would still achieve a very good price + saved during RI 50% of fuel .
Also an interesting thought ..
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Old 23 March 2013, 12:43   #18
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Originally Posted by Rogue Wave View Post
I was thinking of a Welsh person buying from a German dealer?
Stu - I can ask the guys next week as for final price and warranty !
Keep you informed !
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Old 25 March 2013, 12:52   #19
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made some math with the F70 .
WOT = 5300 - 6300rpm / I would try to reach the upper end of 6300rpm
Gear ratio : 2.33
Looking at propellers with 14 or 15 pitch , 10% slip I would expect the SR to go with 27 - 30kn max speed - see attachment .
With the 90 max speed is 38kn .
To get the boat faster on plane would be an option to block off the flooding hull .
What is your opinion ?
Attached Files
File Type: pdf f70.pdf (10.8 KB, 49 views)
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Old 25 March 2013, 13:22   #20
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Country: Finland
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Quote:
Originally Posted by Bushrider View Post
made some math with the F70 .
WOT = 5300 - 6300rpm / I would try to reach the upper end of 6300rpm
Gear ratio : 2.33
Looking at propellers with 14 or 15 pitch , 10% slip I would expect the SR to go with 27 - 30kn max speed - see attachment .
With the 90 max speed is 38kn .
To get the boat faster on plane would be an option to block off the flooding hull .
What is your opinion ?
I would block it, it is still very stable, and transom is still rather low.....I blocked it 2011, last summer there was not even condensation moister inside when checking, totally dry.

What consumption You expect with the F70 when doing 28-29 knots?
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