Go Back   Motorcycle Forum > Events & Racing > Motocross Forum

Reply
 
Thread Tools
Old 02-28-2010, 09:58 AM   #1
mscuddy
MODERATOR X

 
mscuddy's Avatar
 
Join Date: Jun 2007
Location: Next to my still checkin the temp.
Posts: 5,448
Default 2010 YZ450F update

In putting together an expose' on the unbelievable high costs four stroke Japanese bikes cost to maintain, (Rick Sieman: SuperHunky.com) it was discovered that you have to change the circlips (you know, those things that hold the wrist-pin in) every ten hours of operation, on the new Yamahammer.

So that means an entire top-end removal, just to replace circlips? Every 10 hours? While that might have been a 2 hour job on an old YZ250, I can't imagine how long, or what you have to do, to get the top end off a new YZ450F.

I'd use high explosives myself.

And on another note, I've been getting quite a few emails from disatisfied four stroke owners, who want to stick a two-stroke motor in their four stroke chassis, after the motor has grenaded and left them without a ride, or the unbelievable amount of $$$ it takes to rebuild one from the bottom end up.

The "F" at the end of YZ450 must stand for "fool".
__________________
A gun is a tool, Marian; no better or no worse than any other tool: an axe, a shovel or anything. A gun is as good or as bad as the man using it. Remember that.

Last edited by mscuddy : 02-28-2010 at 10:20 AM.
mscuddy is offline   Reply With Quote

Sponsored Links Remove Advertisements
Motorcycle Forum
Advertisement
Old 02-28-2010, 11:54 AM   #2
seruzawa
The Toad

 
seruzawa's Avatar
 
Join Date: Nov 2001
Location: 8501 ft.
Posts: 17,461
Default

Have any of the bike mags, especially dirt bike mags, made mention of these problems? They can't be unaware of them.
__________________
"Make no mistake, Communism lost a big argument - one we know today as the 20th century."
seruzawa is offline   Reply With Quote
Old 02-28-2010, 02:21 PM   #3
longride
Super Duper Mod Man

 
longride's Avatar
 
Join Date: Nov 2001
Location: Anywhere they let me
Posts: 10,479
Default

Quote:
Originally Posted by seruzawa View Post
Have any of the bike mags, especially dirt bike mags, made mention of these problems? They can't be unaware of them.
Sure they are unaware, or don't give a crap. They don't have to buy, or maintain the bikes they test, so why should they care? It's all about ad dollars!
__________________
I'm a knucklehead
longride is offline   Reply With Quote
Old 02-28-2010, 04:35 PM   #4
MOKE1K
Registered Member
 
MOKE1K's Avatar
 
Join Date: Jul 2008
Location: Kalapana, Big Island
Posts: 3,994
Cool Bring the strokes back,....

Quote:
Originally Posted by mscuddy View Post
In putting together an expose' on the unbelievable high costs four stroke Japanese bikes cost to maintain, (Rick Sieman: SuperHunky.com) it was discovered that you have to change the circlips (you know, those things that hold the wrist-pin in) every ten hours of operation, on the new Yamahammer.

So that means an entire top-end removal, just to replace circlips? Every 10 hours? While that might have been a 2 hour job on an old YZ250, I can't imagine how long, or what you have to do, to get the top end off a new YZ450F.

I'd use high explosives myself.

And on another note, I've been getting quite a few emails from disatisfied four stroke owners, who want to stick a two-stroke motor in their four stroke chassis, after the motor has grenaded and left them without a ride, or the unbelievable amount of $$$ it takes to rebuild one from the bottom end up.

The "F" at the end of YZ450 must stand for "fool".
I hate to tell ya, but Yamaha Motor Company recommends that you tear the engine down to the crank even if your not racing the bike after 10hours it states it specifically in the manual. Four strokes suck, no wonder Yamaha is still selling the YZ250.
__________________
"YOU CAN'T BOLT ON SKILL"
MOKE1K is offline   Reply With Quote
Old 03-01-2010, 05:10 AM   #5
pplassm
Founding Member
 
pplassm's Avatar
 
Join Date: Nov 2001
Posts: 3,875
Default

Bwahahaha! I just bought a very nice YZ250 for peanuts. PEANUTS!

They're practically giving them away!

Get one now, before all the two-strokes dissappear!

It's fantastic, too. Extremely light, powerful, and bulletproof.

And, the WR400/426 drops right in (with a little case releaving).
__________________
Mongo just pawn in game of life.
pplassm is offline   Reply With Quote
Reply


Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

vB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off