dr. d engine mod

2 replies to this topic
  • coreyl

Posted January 04, 2010 - 05:28 PM


i was just wondering if anyone has had the dubach racing engine mod done to their head? if so does it make a difference in perfromance if so how much?

Visit the ThumperTalk Store for the lowest prices on motorcycle / ATV parts and accessories - Guaranteed
  • Wes Woodin

Posted January 04, 2010 - 06:33 PM


from most of what I've heard it helps on the top end. I have my bike set up for low to mid and rev the bike enough to tell. Plus if you go with porting to get full effect, go with valves stiffer springs, cams,and high compression piston. I would do it all or don't do any. Remember, knowing you bike and spending the time to set it up, and I mean really set it up will be your best bet in gaining maximum performance. Good luck:thumbsup:

  • coreyl

Posted January 04, 2010 - 07:25 PM


thanks for the info

Related Content


First Hare scramble tips by dhend8

Dirt Bike   General Dirt Bike Forums   General Dirt Bike Discussion
  • Hot  33 replies

Snake pit oct 30th by The Anvil

Dirt Bike   Dirt Bike Regional Discussion   California
  • Hot  293 replies

2016 YZ450 by CaptainKnobby

Dirt Bike   Dirt Bike Technical Forums   Suspension
  • Hot  59 replies

Michigan Motocross Tires by 288yz450

Dirt Bike   Dirt Bike Regional Discussion   North
  • 1 reply

Thinking about Yamaha 250... by Arctic Pride

Dirt Bike   Special Interest Forums   Pro Racing
  • Hot  491 replies

Join Our Community!

Even if you don't want to post, registered members get access to tools that make finding & following the good stuff easier.

If you enjoyed reading about "" here in the ThumperTalk archive, you'll LOVE our community. Come join ThumperTalk today!

The views and opinions expressed on this page are strictly those of the author, and have not been reviewed or approved by ThumperTalk.