Author Topic: Wolf 150 big bore kit  (Read 126 times)

Michael

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Wolf 150 big bore kit
« on: December 30, 2017, 07:20:23 PM »
 The piston that comes with the kit is high dome type, which  will raise the stock compression ratio, how much I really don t know. In order to lower the compression I installed a .060" gasket under the cylinder, and the checked the valve to piston clearance, which was adequate. This now made it impossible to install the timing chain sprocket onto the camshaft, even with the chain tensioner completely loosened. I think this kit will work, if a low dome 67mm piston is used. Perhaps someday I will try this, however, I have already started my next mod. I hope within a couple of months I will be able to post the results of this fun project. Forgot to mention, this 200cc kit is not 200cc! It is really only 175.22 cc. Perhaps the older wolfs had a longer stroke, which would then make 200cc. Anyway, a very fun little bike mod!














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redridinghood

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Re: Wolf 150 big bore kit
« Reply #1 on: December 30, 2017, 07:27:38 PM »
Yep... 200CC  😜 https://www.scooterdynasty.com/cylinderkit200ccbigboreforsymwolf.aspx

In 'SYM-speak' that's close enough...  🤐https://www.alliancepowersports.com/models/hd.html

The kit to make it a true 200 (203CC) comes with a larger piston and a stroker crank
« Last Edit: December 30, 2017, 07:31:24 PM by redridinghood »

Tromper

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Re: Wolf 150 big bore kit
« Reply #2 on: December 30, 2017, 08:25:04 PM »
Wonder what that does to the top end speed, acceleration, & economy after you have your jetting updated.
If it rivals the TU250 that'd be kinda interesting.
08 SYM HD200
07 Suzuki Burgman 650

ChairmanMaose

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Re: Wolf 150 big bore kit
« Reply #3 on: December 30, 2017, 09:12:23 PM »
$250 dollars and free shipping. Cool.  "You need to make an incision on the cylinder neck for proper fitting." What does that mean?

Michael

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Re: Wolf 150 big bore kit
« Reply #4 on: January 13, 2018, 07:02:29 PM »
The addition of 25cc would be a real boost in power and would be safe on the bottom end. I don t think the gas mileage wouldn t be hurt much.