Hi all some MV F4 advice appreciated - MVAgusta.net
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post #1 of 16 (permalink) Old 09-28-2015, 03:01 PM Thread Starter
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Hi all some MV F4 advice appreciated

Just joined,been stalking for a few weeks great site,i have an early F4 750 love it would appreciate a few pointers

Am slowly working thro it,doing jobs that the dealers didnt despite a fsh!!

After a run ive noticed tank hisses sounds like its pressurising open cap and noise goes,no leaks and bike runs good,is this normal on these?My 748 duc used to do this also?

Noticed a little vibing thro bars,any recommendations for better/weightier bar ends?

Clutch was slipping when in heavy traffic,have rebled master/slave and ordered new plates,read about shimming springs?is there a particular type/thickness to use,do u fit under base of spring?

Is Shell optimax best/only fuel to use in these?

Think thats it for now...lol,sure there will be more to come as i go through it,good job its so nice to look at

Cheers

Matt
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post #2 of 16 (permalink) Old 09-28-2015, 07:05 PM
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Hi Matt, welcome to the forum.
1. The hissing is normal, that's the tank breathing so to speak.
2. Don't shim the springs, new ones are cheaper. Measure according to the manuals for correct readings.

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post #3 of 16 (permalink) Old 09-29-2015, 05:57 AM
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Hi Matt, welcome to the site and glad you like your MV, do you have the standard bar end weights or after market? If standard you may need to look at your wheel bearings or tyre balance. My 750 has no vibration.

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post #4 of 16 (permalink) Old 09-29-2015, 02:37 PM Thread Starter
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Thanks for replies guys,ive ordered std genuine springs and will double check bar ends to see if o.e?

Thnx for the welcomes too

Matt
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post #5 of 16 (permalink) Old 09-29-2015, 06:34 PM
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Originally Posted by mvf4xfx View Post

Is Shell optimax best/only fuel to use in these?
Think perhaps BP's top fuel is better if you are in a part of Britain where it has no ethanol in it.
In some area's BP add the ethanol and in others they don't. I put the ethanol free stuff in my early F4 750, ethanol is not good for items like fuel lines.

Some may say 5% ethanol won't do any harm, I like to err on the side of caution though.
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post #6 of 16 (permalink) Old 10-07-2015, 09:39 AM Thread Starter
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OK,looks like we have ethanol fuel round these parts think ill just put what i need in for a ride and use it up...lol

Funnily enough the Clutch on inspection was pretty well spot on,so suspected springs which are same length as my NOS ones,and the length given on here was WRONG!!!!By alot.....so never just accept info as gospel i guess...lol

it seems clutch fluid was "aged"my bikes got a FSH but its clear to me lots hasnt been done,cleaned out master/slave/bled it old school way and it seems to be ok now,so left new bits on shelf for another time,now onto coolant and brake fluid/check,probably new hoses.....

Thanks again for help,and hope my findings may help someone out too....
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post #7 of 16 (permalink) Old 10-07-2015, 10:06 AM
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Quote:
Originally Posted by mvf4xfx View Post
OK,looks like we have ethanol fuel round these parts think ill just put what i need in for a ride and use it up...lol

Funnily enough the Clutch on inspection was pretty well spot on,so suspected springs which are same length as my NOS ones,and the length given on here was WRONG!!!!By alot.....so never just accept info as gospel i guess...lol

it seems clutch fluid was "aged"my bikes got a FSH but its clear to me lots hasnt been done,cleaned out master/slave/bled it old school way and it seems to be ok now,so left new bits on shelf for another time,now onto coolant and brake fluid/check,probably new hoses.....

Thanks again for help,and hope my findings may help someone out too....
There is sooo much in your statement that I don't understand.

You say you bought new clutch springs based on "gospel", explain please, did you measure them (the old one's) according to the manual spec's, or did YOU just guess ?

Then, in your opening statement you said that you bled all fluids, next time around you say the fluid was "aged"...what the

What the f...k is a "FSH" and "NOS" do you think we all speak your "code" ?

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post #8 of 16 (permalink) Old 10-07-2015, 11:39 AM
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post #9 of 16 (permalink) Old 10-07-2015, 12:54 PM
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I speak your Code.

My daughter lives in Barnsley and I once went to a fish and chip shop there.
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post #10 of 16 (permalink) Old 10-07-2015, 01:26 PM
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I speak your Code.

My daughter lives in Barnsley and I once went to a fish and chip shop there.
Yep 10 miles from Bennetts it's a great place to live. Joe I'm sure Barnsley fish and chips are fine but if you want the best you need to go to Whitby.

Last edited by Bev Evans; 10-07-2015 at 01:30 PM.
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