"212x" Powroll Stroker build--UPDATED 10/19-- 28mm carb problems ):

[rg97]

Hey, finally decided to put some time and work into my 200x, and whaddya know, a powroll stroker pops up on eBay. I found it with 1 hour left yesterday night and esniped it for around $250 (tell me if i got a good deal or not!). Pulled the 200x into the garage today, and had at it. Engine was not too hard to get out, some of the bolts needed a lil Kroil and a 1/2" air impact to come out, but nothing broken/stripped . Took the head apart, and surprisingly everything looks like its in tip top shape. Now we are going to make a flywheel puller. Heres all the pics (with descriptions)
Engine removing (TecateDan, notice the U2 fuel and 110 fuel on the left side)

Bare frame

Engine before (Notice the boost bottle engine stand )

Engine apart

Valves (one valve removed)

Valves again

Piston

Head

Other side of carb


MORE TO COME

[Keith Salyer]

I want to see this flywheel puller, need to get one myself..

[shortline10]

If you need the head ported LMK or performance parts .
Great thread BTW .....

[Dirtcrasher]

I want to see this flywheel puller, need to get one myself..

Toyota bolts fit it.
Sometimes and old front or rear axle fits too.

Looking forward to the build!!

[rg97]

I was thinking about glassblasting the cases and getting a repaint on them. Is this completely safe? How/with what should I paint them? WHat color?

[christph]

I was going to ask if Powroll is still building engines as their website hasn't been available for about half a year. I just checked again and it looks like they are starting a new website and will still carry the same products--cool.

http://www.powroll.com/10701.html

[Dirtcrasher]

Nice turning the threads off, lathes are a wonderful thing!!

Powder coating is simple and easy but otherwise if your broke, I would get some good quality motor spray.

It's apart, you have a plan on a great motor. Thats CASH! Don't spend 500$ on the motor and ignore how easy it is to have a quality finish for short money!!

[rg97]

christph, i was already there. Glad that they're up and running again. They have the main frame of the website only, no products or anything last time i checked. I sent them an email about getting pistons

The crank is coming with a 11:1 Sudco 67mm piston, I know that stock is a 65mm bore, should i get it rebored to 67, or just keep the piston I have now? the stock sleeve and piston are still in great shape

Keith, I just used the puller, and it was perfect. For a $1 bolt and 5 mins of machining time, i'm happy. Thus the word "budget build"

The engine will either be black or white, i wouldn't do anything else because it won't match the frame and plastic.

Would it be ok to glassblast the inside of the cases too?
What/Who do you recommend for flycutting the piston? I dont think we will do it ourselves. It was worth a laugh that in the eBay ad, the seller said that "you can flycut the piston with a dremel if you are real careful" NO
We are going to work on the valves and the ports ourselves though.

[shortline10]

I wouldn't go past 66mm on the bore , at 67mm the cylinders tend to break at the base , been their and done that . If you go with powrolls stroker piston the skirt is already stroker cut .

[rg97]

I wouldn't go past 66mm on the bore , at 67mm the cylinders tend to break at the base , been their and done that . If you go with powrolls stroker piston the skirt is already stroker cut .

I figured that 67 wasnt to safe. the seller didnt get their piston from powroll, so its not cut. I would like to keep the stock piston if I can, and just get that cut to clear by a machinist

[leevarnado]

powroll is still in business,i talked to nicol a few weeks ago.she said they are redoing there website and it will be up and going soon.

[rg97]

Stroker came today. I'm surprised that it came in two days from CA to PA, but still REALLY EXCITED. Heres the pics of the piston and crank. Oh, and after friday, there wont be any updates for a while, I'll be in europe for three weeks
I'm trying to get as much as I can before we leave.
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Notice in this pic that the piston is 66.27 mm, this doesnt seem like a normal size at first, and I was confused. But, when you do 66.27mm - 65mm (stock bore) its a 1.27 mm change, which comes out to a .050 overbore.

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Heres the box the piston came in

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Crank

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Crank with piston

[shortline10]

Nice looking stroker , It also has the HD XR200 rod which is a good thing .... Powroll stopped using that rod when it became discontinued a few years back so you got a good one .

[rg97]

I may have a bit of a problem. Honda lists the service limit for the small end of the con rod at 15.10 mm. on the stroker, it's 15.14mm. I hope this won't be a big problem .
Also, turns out i measured the piston wrong . I guess that I'm supposed to measure the size at the bottom of the piston, not where I was. it is EXACTLY 67.00 mm, so i'm going to try and sell it, or whatever. anyone interested in a 67mm piston BRAND NEW, please PM me. I figure that i'm just going to get a 66mm piston from wiseco through eBay, $120 shipped. http://cgi.ebay.com/ws/eBayISAPI.dll...#ht_993wt_1033
Anyone know how much of a stroke is added by the new crank? I think it's +4 because theres a #4 on the crank pin

[rg97]

I want to see this flywheel puller, need to get one myself..

I can sell you one, $15 shipped. Thats the best price you'll find around. PM me if you are interested