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I have a friend who moved to HSR and is selling his V-Force II's. They were for Kawi SXR. Can they work in a Yami intake (do I need the bracket or can I "adapt" them to oem YAMI intake?) Any opinions? Thank you

I have a modded 550 (all the goodies including head). The engine is fresh, the starter is not, but it spins like crazy when I hook it up directly. Once I install it in the engine , it cranks fine for 1-3 times, later on it feels like the battery is dying (a good battery). The negative cable...

I was talking to an experienced guy and he told me that it is possible to run the Bpipe without cooling. Only the manifold must be cooled (since freestyle is not about WOT). I was thinking to try this to gain more power from by Bpipe.. any opinions? Maybe the builders can chime in? :)...

Hi All, Just wanted to get some feedback whether my oem 2008 prop (cutback 3mm) will do the right job with a ported cylinder, head, Fpipe, and other goodies. Is the pitch of the oem prop OK for that setup? I am talking flatwater... I know that a lot depends on the general engine setup...

Hi all, I am soon to finalize my engine build (not too much to talk about - 727cc, Bpipe, porting, other small goodies). Not sure whether I will have 400 usd for a girdled head kit now. I was considering milling my virgin OEM head. Will my cylinder crak if I do not use a girdle kit? All...

Hi all, I really need to replace a carb on this baby (right now it is a blackjack 48mm , which is a bit too big). I was thinking to go the 44sbn way. Question what jetting setup would you recommend? The ski has: L&S ported cylinder (the ski is quite fast - I guess it's more race...

Hi, I would like some help from the knowledgeable persons in here - what reeds are these and do they fit OEM 62T inatke? http://www.4aces.fora.pl/skutery-w-budowie-builds,28/hand-made-freestyle-by-benek-2010,39-90.html#687 The reeds are almost on the bottom of that page. Thank you...

Hi All, Did the vortex creating design of the TWIST head actually worked? I am able to get a new head like that and I would like to have your input on this. I am not sure how the "twisted" design can be compared to standard domes in terms of detonation, compression, etc... please advise...

Hi All, I bought a ste of atomizers off ebay (NOS). I think made by PROK. I want to bore my carbs to remove all obstructions. I was thinking to bore the venturi carb and press the atomiozers in. They are brass with rubber oring and 6-8 holes. The outcome should be a mist of fuel down the...

So we have a few X-2's sitting in the garage and one of them is a nice clean model with few a/m parts. It came with a dual carb mani and with 38 bn's (not sbn's). Anybody has experiance how would this behave if I swap the old bn for newer sbn's? I know they work really well on SJ's not sure...

Hi all, I was wondering what pistons would you recommend for my top end rebuild (9 seasons old). I wish to go higer in cc's but stay with the original 61x cylinder (no BB in this boat). I had a poor experiance with Pro-x, although they make OEM style pistons, which are widely recommended...

hi all, Just a few minutes ago i took off the cylinder off my 2000 engine. It has never been rebuilt and generally all parts look as they should. The crank has no play on the rods, the pistons and sleeves have justtiny bit of scoring, but superficial. I am astonished how bad the mismatch...

I wonder whether anybody could share some porting specs (height of exhaust window from top edge of cylinder to top edge of exh. window). I will be using 35cc domes, factory pipe, probably will stay with 701 or max 735cc. I got racelogic's porting template, but wanted to increase port height...

I have a pretty stock (engine wise) 62T motor with R&D angled spacer, choke butterflies removed. I wanted to get as much bottom end power from my setup. I got a real nice B-pipe with bored exhaust manifold and polished windows. I run cooling in such a way: 1 cooling line from pump, this...

I found some relatively cheap carbontech reeds. Thinking about upgrading my inatke (I already have an angled R&D mani spacer). The manufacturer states that they will give a very noticeable boost in low do mid and + 2/3 hp. I would like to hear your opinion about these. Are these much worse...

As in the title... I have a blackjack that I might swiotch insterad of the 38mm duals to get better hit from the bottom - what you guys think? Or is that more of a "race carb"? Remember that this is the "annular discharge" type carb... Regards, Andrew

Okay, I bet others have similar problem: After switching from Kawi do Yami I start to actually do tricks :) And since I want to make up for thje lost riding time I am pushing myself. Afterwards I am all sore and bruised - like an apple that fell from a tree :crutches:. Not nice - chicks don't...

Ok so I started riding the SJ and love it. I push it as hard as I can in order to make up for the lost years riding a 550 - and effects are here: broken and lost carbon nose cover, broken and lost chinpad (aftermarket and oem)..I probably have an AC pole, the oem chinpad fits there perfectly...

So I built my SJ and took it to the lake to make it suffer: - broke and lost aftermarket chinpad, replaced with oem - broke that too. - broke and lost my carbon nose - my fault - did not attach it firmly, just 2 scres on the sides near the bracket - not enought if you sub a lot - drowned...

Ok, I need some help here since I read conflicting reports: I have a 62T 701 motor in my semi light hull, all stock except for: - Bpipe - angled mani spacer - removed choke plates - cooling: from head to bottom of head pipe, and from headpipe to w/b and pisser, and an outlet for the oem...