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That's a really cool frame. You'll need to make sure the frame will take a long fork, like those from the DHZ monster, and still retain proper overall geometry. It will be lots of wasted cash if the bike end up having a very tall front, but a low seat height: "Chopper" geometry.

I've got the 2007 model and have been riding and racing it for a year now. My pals loved how it handles and have since bought 3 more to replace the Motovert 125, but these are 2008 models. (In my humble opinion the '07 ones with black Kayo forks, gold plated sliders, are better bikes than the...

Need to give it more gas, Jonesy. :) I can easily manage a 12ft gap with a ramp about that size, on the DHZ140 Monster. Also, with more speed and forward momentum, the landing will not be so hard. Add some gas upon touch down too, will make for smoother landing.

Great! Thanks guys, now I know it's not unique to me and I won't be the only person going around with torn butt skin. :D I've tried having cycling wear with built-in paddings (I mountain bike too), even doubled up with baby powder under that... and it did helped some bit. Ok, maybe I'll try...

Checking with fellow pitbike riders who frequent MX tracks, or ride tracks at decent speeds... Does anyone get very sore backside after a day's ride? I'm getting quite bad abrasions almost every week, which I figured was due to the weight shifting during turns or berms. It's getting quite...

40 year old french man on a DHZ 140. Nope, that's not me.

Most of these bikes are China-made, so I would say there will be some little issues here and there for every bike. Maybe even among the same brand and batch. Probably Quality Control is different from what we get from the Japanese. The one bike that impresses me so far is the Motovert. For the...

Can it be a case of a worn-out hub? My rear hub is wobbly not due to the bearing, but because the bearing was sitting loose in the hub.

I would believe the rpm hangs up due to the lack of gas goin into the engine, the same way it reacts when we're running out of gas. There is still gas after throttle is close, but just insufficient, resulting in the hang up. After idling for few seconds, the rpm settles down when gas start to...

I believe what he meant by offset is the offset of the triple clamps, which is a common modification to full size dirtbikes. It affects wheelbase, steering, high speed stability, and most critically, the bike's handling. It gets complicated from here. Can someone with better understanding of...

In my humble opinion, if you're going to show up at your neigbourhood bike shop frequently, it just make sense to buy the DMX from him. In the long run, it's not just the money involved. Otherwise, if you're serious about the quality of the bikes, I personally think you should compare the...

I've rode a couple china bikes, a Motovert Expert 125, a Cineworx 140 and a DHZ monster 140 (Kayo forks, FastAce shock). Among all, the 2007 Monster is the tallest and longest bike. I can't judge the handling of the cradle frame DHZ, but this Monster frame handles the best among all the pits...

Exactly my thoughts too. A small dirtbike will never be a fun 'pitbike', I think they're different in terms of fun factor.

Well, since it's been bumped, may I ask... My bike gets hard to start after some laps, can a dirty air filter cause such drastic difference? Or has the bike been running rich from the very beginning? My riding place is usually dry n dust get kicked up easily.

Considering the structures and design of the carby, it's very unlikely the needle will get sucked into the engine. Furthermore, you never even managed to get the engine started, right? ;)

So can I safely say that those radiator type oil coolers, though look less-trick, worked better than those billet coolers on the Motoverts?

Personally, I've used both OEM high bar and a Renthal fatbar on my DHZ. In my humble opinion, the lower Renthal gave the bike a more roomy cockpit. The bike felt longer and more comfortable while seating and handled flat track very well. The downside was, this setup sucks at the motocross...

Can't help but noticed the low quality brake caliper. If they are what I think they are, the entire caliper and carrier plate is a one piece unit.

What I've read about running-in a new engine with full synthethic oil was, the oil will be too slippery for the internal parts like piston rings n cyclinder wall. The reason to adhere to running-in process is to let the rings rub n match the cyclinder wall, and for the gearbox to work itself...

Thanks benox, I've did all that but it's like taking forever to complete the deleting. After waiting for up to 5 - 10 minutes each time, I gave up. Is it normal to take a long time? Would be great if the Administrator can help remove the duplicate. Otherwise I might just delete the entire...