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I will be riding sunday hopefully.....I just blew a wheel bearing on truck so going to work on it hopefully sat so I can ride sunday.....

Totally a great day! A foot of fresh! The triple is pulling better and better every ride! When snow comes over the windshield and the sun it out it don't get much better!

here in the mountains in Sicamous my kids 136x2 will go any where.....its spring time....who needs the 174x3....my triple zx with a 163 can only dig down a few inches......lol

went up again tonight (owls head) and still hard......but its raining out now.....wonder what is happening up top?

was up owls with my boy.....rock hard....only way you will get stuck is.......oh wait, I could not come up with a way.....lol

its pouring rain today....:( will give it another go tomorrow......

this thing is getting leaner and leaner and coming alive......was at 300 mains yesterday.....now down to 270 and EGT's are about 1150......but the main thing is now RPM is up to 7700 (still with the 14.5 gram pins and clickers on 6)....I guess I just keep lowering the mains......I'm thinking it...

thanks for info.....hood is off but even when its on it will let all the air in since it is a diamond S mesh hood.....lol

UPDATE! well after many hours of testing and tuning this dam sled is going to get crashed.....lol well long story short I was running 1100 on the EGT and it was down 1000 rpm (73-7400 max) so I moved the clickers from 3 to 6.....no change in RPM what so ever.....so I drilled out the pins...

And the price is?

Definitely no complaints on how the 670 runs cause it flies! Pulls red line and is very crisp and responsive! The triple just has way more power than the twin just like it should! If triple was not making full power I would think the 670 would take it in a drag race!

I will lean it out more then. Not sure why RPM did not change more when I drilled out the pins and raised the clickers 3 numbers! If this engine is not making power im surprised how it makes the 670 look when in aa drag race! Like I say it looks like the 670 is in reverse! Lol. Thanks for...

I just bought a brand new 200-380 primary spring....what is the difference with 380 instead of 350? how is 18-19gram weights going to increase my missing 1000 RPM if im running 14.5 now from the 16gram ones? I thought less weight raises RPM? and so does raise clickers but both did really...

yes first year of the 670 I think was 93 in the mach 1 series....an 95 in the summit.....

ya I know I need to address the clutch hitting the bolts but it only does it on flat out speed runs.....I should be able to hit max RPM right from the start.....I cant angle carbs cause they are a rack and moving the motor can only be done if I mod the steering post.....going to get the ski-doo...

this sled is going to get parted out soon....lol so my max RPM is 7300 but if Hold it 20 seconds I can get it up to 7600 but it should hit max right away I would say.......so I drilled out my roller pins in the primary which took 1.5g out of each pin....so they are now 14.5 and it raised my...

time to fix the law.....if caught on my property you will get shot.....then I will ask questions.....that is the way the law should be and there would be a lot less of it! just my 2 cents......would be fun to catch them in the act......I swear officer I do not remember anything after I saw red...

not sure where to post "need help" for a ZX with a triple and an AC clutch....so I will try here...lol well been digging into the ZX mod sled that I got from another guy a few years ago......seem to be fixing all the issues.....working on clutch alignment.... it has a AC roller secondary on...

I don't think it will sit any higher than his original blown up 670....lol

I swear by the sea-foam.....love it! NAPA has lots! not one fuel issue in over a dozen engines in 3 years of using it now....4-stroke and 2-smoke!