All posts by dstech

Rev and/or speed limiter?

I’m seem to recall my speedo hitting about 68mph when my 570 was new, but last night it was 65 and hitting a limiter.
I think this due to belt wear, but was it a speed limiter or does this machine have only a rev limit?
I’m not concerned about it, but would like to know.

850 touring exhaust

I’m looking for a slip on exhaust for my 2010 850 touring. I don’t want an obnoxious pipe that annoys everyone. Just looking for a pipe with a nice sound while still keeping it reasonably mellow and not annoyin others on the trails. I ride in Wisconsin so I don’t need the DNR on my butt lol. I was looking at the hmf Titan qs but I can’t find any sound files. Any other ideas? Is there such a thing?

New Wheels and Tires for the grizzly 550

As per in another thread I was askinget about wheel and tire suggestions, decided to go with diesel m12’s 14in and 27 in zillas.. Have yet to test them in the mud or anything but I am happy to say that I am quite happy with the minimal power loss, still going to do some sort or clutch kit in the future but going to ride it out for a little bit and see the performance of these tires… Here are some before and after pics.. Very happy with what it has done for the atv..Attachment 30329Attachment 30337Attachment 30345Attachment 30353Attachment 30361Attachment 30369Attachment 30377

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Another Honda 420 shifting riddle

07 Honda 420fm
So I bought a 420 project and the guy said it wouldn’t shift.
I took off the cover off put the linkage back the way it should be and it felt like it was shifting correctly.
Reassembled engine and now it will shift once then stop.
Turn engine off and I can put it in another gear then start it in 2nd gear but won’t move.
it will move in reverse and first but I have to turn the engine off and on to change the gear.
Otherwise with the engine off it will shift to all gears that feels like nothing is wrong.

Before it split the case I wanted to check with you all and see if you’ve heard of any of this happening.

The oil drain screw was stripped so I suspect piece of metal may have broken off in there but why in the world would it change gears with the engine off but not change gears with the engine on?…..very confused

04 400ex

Was running my 400 ex yesterday and notice smoke coming from behind head lights. The wiring harness that runs from the on/off start cluster past the coil burned. Anybody seen this before or have suggestions on cause?? Thanks

1996 Honda trx 300 fourtrax left side engine case !

Here is the problem i had a left hand side engine crank case cracked and was leaking oil this was a running rideable 4 wheeler until i cracked case!
now sence changing the case and transferring all gears shift drum and all,no matter how i position gears washers and completeing following the repair and service manuals on placement of gear and mic the washers and all! no matter i can get it to change gears properly it either locks just like park or will only change a couple gears and then lock! please help!!!!!!!!!!!!!

08′ Rancher 420 limp mode?

Starts up and idles fine…then about 5-10 mins into a ride it acts as if its not getting enough fuel and jerks and jerks as if the fuel pump is spiking up and down….disconnect the battery and turn key on to drain any residual electricity from system…reconnect battery 5 mins later and she runs fine for 5 mins then does it again. This tells me that there is either a sensor bad and it takes the ECU 5 mins to recognize it and shuts the system down into fail safe mode. Some sort of redundancy built it or something I’m thinking. Can anyone shed some light on this? I might have to make a video to show what I’m talking about, I suck at explaining things. Thanks.

Colder Plugs ?

Hey was wondering if anyone has had to go to a colder plug when running nitrious im working on a 1000 outlander and i know they take a 8E plug but i heard some ppl have to go to a colder plug like a 9E when running nitrous im having a hard time getting the nitrous working right on this bike and ive tried everything but changed to a colder plug, this is an on going problem i have been dealing with since last year its just beginning to start spring where i live and i wanna get this dialed in before our first rally ride, was wondering if it would take away from the bikes performance by running a colder plug all the time even when ur not spraying the bike … any input at all would be much appreciated thanks

2000 325 trail boss

Fan and hot lamp on constant only way they are off is with the key or unplugging wires at module red white fan turns off blue white light turns off (bad module?) picked quad up from a friend all lights blown dead battery was this the cause trying to run with dead battery and also fried the module