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Hi guys,<br><br>I need to know how and where those bikes were actually restricted. Mine was limited at 100hp.<br>I've changed the jet and needles in the carbs with genuine Yamaha according to the specs of unrestricted version.<br>Now I looked at the joints between carbs and engine and they have written on them 74kw (100PS). Do I need to change them too, what is their smallest diameter on unrestricted ones?<br>Thanks, help will be very much appreciated! <p></p><i></i>

One of the ristrictions that I have heard of is, on some a corse mesh in the inlet boots. If you take the carbs off and look into the intake you'll see what I'm talking about. If it isn't there, I have no clue. <p><!--EZCODE IMAGE START--><img src="http://img.photobucket.com/albums/v209/ ... <!--EZCODE IMAGE END--><br><!--EZCODE FONT START--><span style="color:red;font-family:times new roman;font-size:small;">There are some who call me........Tim?</span><!--EZCODE FONT END--><br><!--EZCODE FONT START--><span style="color:white;font-family:times new roman;font-size:small;">Director of Entertainment <!--EZCODE LINK START--><a href="http://eddieandthecruisersmc.com" target="top">Eddie & the Cruisers</a><!--EZCODE LINK END--></span><!--EZCODE FONT END--> <br><!--EZCODE FONT START--><span style="color:blue;font-family:times new roman;font-size:small;">1994 FZR 1000</span><!--EZCODE FONT END--></p><i></i>

And the famous Inlet stub half moon protrusions, removed with a stanely knife.<br><br>Other options would be exhaust & CDI (Been told the Jap version of the FZ750 was CDI limited). <p></p><i></i>

I know for a fact that the French 100PS engines had restricted inlet manifold castings that fit between the inlet rubber and the head <!--EZCODE EMOTICON START :( --><img src=http://www.ezboard.com/images/emoticons/frown.gif ALT=":("><!--EZCODE EMOTICON END--> The casting is "necked down " in diameter and can not be ground out in size as it would fall apart. The only cure would be a UK or US spec set of inlet manifolds which would be around £25 from a UK bike breaker.<br>I found this out after buying a french import, after removing the carbs to sort the 125bhp rubber restriction which was not there I found the disgusting inlet castings <!--EZCODE EMOTICON START :soap --><img src=http://img.photobucket.com/albums/v209/ ... oapbox.gif ALT=":soap"><!--EZCODE EMOTICON END--> <br><br>Mark <p></p><i></i>