DT 125 RE Supermoto Build
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@declan I used wellseal on my headgasket mate, developed by rolls Royce and used in a lot of racing engines without any gasket at all, just sealant on either surface. Top stuff and never had any trouble with it, doesn't really dry just fills minor scratches in surfaces etc
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If you get head machined flat you can get away with using a single O ring, any machine shop will cut an O ring groove cheap and use a yz O ring.
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@2stroketerry I considered doing this, however had a charity ride 2 days after my headgasket went so needed it running again for the weekend so just ordered an athena. My trials bikes always had O rings and never had a problem, if the athena gasket goes I will definetely go down the O ring route.
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Thought it might be about time to update the post, had a brilliant summer with my dt and happy to say it's performed perfectly all year, a few minor problems but nothing major. Been quite a few little mods done since I last updated this thread, I couldn't really remember to list them but you can see for yourself haha
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It's winter again, which means my DT is spread across the workshop.
Going for some more power for next season, plans are 32mm carb, some porting work, fresh piston and zeeltronic cdi
My box of goodies arrived today meaning I can start work
32mm Polini reworked PWK carburetor and some Jets to play with
I'm really happy with how this carburetor is built, one of the best I have seen in person and I've tried new Mikunis etc
Even managed to fit the carb in the standard DT rubber without any modification! Although it was very tight.
While I had the carb off I decided it was time to fit the carbon fiber reeds I've had laying around for over a year, doubt they make much of a difference but wont do any harm
I got the carb in and the bike runs happily on choke, although it does sound lean to me, which I expected. It won't run at all off choke but will be swapping out the pilot jet after work tomorrow for more experimentation -
This is gold let us know how you get on I'm doing the exactly the same thing over the coming weeks so this may be verry helpfull
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@stinkwheeler will do mate, sadly doesn't seem as if anyone has tried this carburetor, or at least nobody has wrote about the process online. Shame really as there is a lot of great budget options with the PWK carburetor. I was recommended to use them by 2Stroke stuffing and BARacing. Only problem I'm finding so far is the standard airbox boot is too small for the carb, so I'm looking at buying some hose and making something up so that I can still use the standard airbox.
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@Glynn123 I'd be inclined to get a new one. Any split there may allow unfiltered air through, and/or water/
Also when you try to stretch it you may cause the cracks to get worse.
Pretty sure I bought a brand new one for like 10er. Was a while ago now though.
