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Never tried them, Mike. I stick with the OEM until NLA.

Always heard the forged require a bit more delicate breakin, and different tolerances. I believe most of that is posted here somewhere.

Hi Greg, welcome to the site. Source of answers to the many many questions we've all had. Follow the manual - especially when it comes to engine balancer gears and such :)

Good luck with the...

Thanks for sharing. Great writeup.

Ought to be fine. 12V battery, 4TW calls for 800mAh, though i use home made 1100 mAh. System will draw what it needs as long as you're supplying a good 12V to it. I get Batteries Plus to make up 8...

That's good news!

Who do you guys think we'd be best to contact to put our hands on one? Dennis, any Yamaha shop, or stick with Accu-P or RSC?

Thanks, Richard

I paid a pretty penny for 2 crank rebuild kits a little over a year ago. Seems some prices have come back down last I checked.

the main item I don't have is a replacement crank. When mine is no...

Awesome video and sound!

Congrats on your retirement, Bruce!

That's as long a career on pavement as anyone!

I'm gonna hit you up by PM about a few things...

Richard

Hi Phil, any updates on how this radiator fit, how it funcioned and any other details (affect on handling, etc.)?

I contacted RTM to see about a replacement too, but would like to hear from you...

Can anyone confirm if '97 and '98 are identical?

I have a '97, and if they make them, I'll ring them up and have them make me the same they made you.

Thanks,

Richard

PM sent!

Thanks, Richard

Sweet photos and nice write-up!

Great job this year Mike!

Thanks for the write-up and details of your season. Sorry for all the technical troubles...

Yes. white lithium grease works (and is recommended I believe). I replace every part according to schedule except for a few that appear to last forever. Gaskets, for example. Grease them up and...

I don't! Honestly, they last quite a long time. Maybe every 3rd or 4th piston change? Never had a leak or a problem...

Excellent! These bikes are a blast!

Are the 4DP radiators curved (as OEM is)?

Thanks,

Richard

Welcome to the board!

Now, let's see some photos of those bikes and projects!

Sending PM.

Great work, Mike!

Any details on ambient conditions? temp, humidity, elevation?

Who doesn't like new cans?

2690

Happy birthday, Bruce! Hope it was a great one!

Nice work Mike!

Yes, I check end gap to cylinder and side gap to piston. All was in spec.

Wondering if you guys replace rings more frequently than Pistons, or just do as a full top end set?

Generally follow the manual and replace full top end at 350-400 miles. Recently started swapping rings at half way.

These photos are of new top end after 1 race weekend (5 practice sessions, 5...