My 07 grizzly 700- 815cc Big Bore Stroker.
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- Опубліковано 28 гру 2010
- My 07 grizzly 700 with Trinity Racing 815 Big Bore stroker kit, Stage 2 Cam, K&N Air filter, Ignition module, Fuel controller, Stage 4 Muffler, Fox Podium X Shocks, and Full Aluminum Skid plate. Stock Bore & Stroke is 102 x 84mm, Now it's 108 x 89mm. Tones of low End Torque.
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Looks like it works awesome man! Great low to mid torque. My 2012 700 with just a k&n and clutch kit 2" highlifter and 27x10, 27x 12x12 is hard enough to keep the front end down and the rear with traction most all the time! We seem to ride a lot alike too.
thanks for replying good to know the starter works good with the mods
Very cool, I have a 2003 grizzly with a 4mm stroker and 101 piston, comes out to 705cc, I can only imagine what the 815cc feels like. I can usually race 450r's and raptor 660's and be right there with them.
Got every thing back together . Loads of power all over the place . I live in Wasilla to maybe we can get a ride going .
I use a Trinity Racing EFI controller - tuner and it works pretty good,The rest of the fuel injection is all stock, so yes it did the job.
Thanks for the comment! Looks like you ride in some of the same places I ride, so yea if you want to check it out let me know how to get in touch with you and we can meet up.
I used a JE 11:1, 108mm piston, but with the stroker crank it's about 11.8:1 give or take a little, and the stock starter works just fine.
@THizzle80 Yea, I know what you mean about more bottom than top end which is why I went with the big bore- stroker, it's got tones of bottom end even without a clutch kit. I have thought about putting shims on the primary clutch just for the fun of it, but if I do anything it will be a high-lifter clutch kit, I've installed 1 kit on a kodiak 450 and 3 kits on the 660's, and they work great. I like the wet clutch springs because they give a higher stall for harder launches.
Thanks I might have to look into that
Awesome machine, hope to see it up here, would love to check it out!
@jj20allen The kit was around $1500, and the engine case has to be bored out to match the bigger diameter of the outer cylinder wall, that was about $100. The new cylinder is a 108mm bore which would make it a 770cc without the stroker, stock bore is 102mm. I did all the work myself except the boring of the case. I have raced a stock outlander 800 and it was pretty much neck to neck, if I had a wheely bar and could stab the throttle like he can and not wheely forever I'm sure I could beat it.
Bought a 800xt and rolled 65 right off the trailer. I'm hoping the turbo will open it up even more. Man riding by that bridge rail looks scary as shit!
@pokechop26 Nice machine, the 800 xt is a quick machine bone stock, but if your looking for even more power and have the money there's no question that a turbo would be a good choice for more power. I think you were talking about the guardrail I was riding next to in my video, I wasn't as close to it as it looked on the video, so no it wasn't scary. Well have fun riding, and let me know if you get a turbo.
@MrFrieghttrain I run it hard all the time and it has never overheated, but where I live in alaska the temperature ranges from 65 - 80 degrees in the summer.
@700grizzly08 Thanks for the comment. I think the Grizzly's are a well built and tough machine and require verry little maintenance. I had 5255 miles on mine when I did the engine build, and at that time it ran just as strong as when it was new. I now have just over 6700 miles, and still running great with new kit. I love this big bore stroker kit because of the all around torque. Now with airbox mods, and more fine tunning on the fuel mixture and fuel timing, my fastes run yet is 76 MPH.
On what size tires did you hit 76mph
I know its been a long time, but what did you do with your timing
I'm looking into doing that to my Grizz,with 12.5:1 compression does the stock starter labour when turing it over?
@thefrootloopcrew yeah, but a two wheel peel won't make it everywhere a locked up 4x4 will without being a pain in the ass and having to be winched up everything. This thing is more of the best of both worlds
Any clutch problems? And was the gain worth the cost?
What did you do to the fuel injection? Is it aftermarket or did the tuner box take care of it.
@MrFrieghttrain Is your machine stock, and is you and your dads machine the same year, because in 08 or 09 they put a bigger cooling fan and shroud on the radiators. I have an 07 with a 09 fan and shroud and now the fan doesn't run as much, but on slow muddy trails it runs the most compaired to any other riding. I pressure wash my radiator really good after every ride to keep the cooling fins from getting clogged up to allow maximum air flow threw the radiator, and check the coolant level.
Did you do the work yourself? What other mods have you done?
Hey Alaska , I'm in the middle of a build right now . What shop did your machine work . I'm Wasilla also. I'm going 734 and ehs port valves and tb
Sweet
You need to put a full Barkers Dual exhaust and a full EHS Racing intake system on this thing. That will really open up your motors potential!!!! I just have a stock motor on mine, and got all this work done and got a 25% power increase. With a big bore, it will get even more!
how long that griz lasts with that settings . Today it's 10 y ago.
Ya I got one to I run mine in high sometimes and it seems like the fan is on all the time I think there is something wrong with the cooling because my dads fan doesn't run as much
Do you have to run 110 octane in that 815 grizzly
Can you outrun the outlander 800 and how much was this kit?
I had Anchorage Drag bike do the boring on the case, and new valve job, the rest I did Myself. They might be able to bore your Tb if you havn't done that yet. Let me know if you need anymore help.
Running in high like that does it overheat easily
@thefrootloopcrew I saw 650 and thought you meant a ds650, my bad. but still, visco lok does not compare to actual diff. lock, so grizzes still rule.
@Alaska7506 well, don't buy the clutch kits they sell, if you look on a forum called grizzlycentral they have a forum on where you can find the individual parts of the clutch kits and you can buy everything that is in the kit separately for under half cash
How much HP now? About 70 - 75 instead of the stock 40?
@thefrootloopcrew don't need no clutch kit, a couple bucks worth of washers to act as shims, trade that useless top end for some bottom end grunt, quick and easy
@thefrootloopcrew You say your outty 650 did that stock, you must mean the top speed, but who cares about going over 70mph on a 700 + pound machine I don't, I built mine for torque nothing else. I've raced the outty 650 and the 800 from 0-70 and neither one of them ever got in front of me, and the same when we switched machines, mine felt more snappy on the lowend than the outty 800, so I don't know why you would say it's guttless on lowend. My video shows it lite the tires up on pavement!
mean grizz. cant wait for the 800 v-twin,then were back on top. as always...
Still waiting. :(
But love my 2017 Grizz.
Did you keep or delete the wet clutch? If you kept it how did it hold up?
@Anthony Owens.. I actually never had a wet clutch delete. I thought about trying it, but at the time I had read some reviews claiming some were having some issues. But that was probably 7 years ago, so maybe they've fixed the issues they were having by now.
@@Alaska7506 I'm not even sure if I can buy a wet clutch delete now days. I did however find the 815 kit but like you said about the head gasket issues. I've also found a 785 kit that uses a 105.5 cylinder and +5 crank. That would prob be more reliable and still make good power over stock
@@251suzuki Yeah I really wish I would have went with the 105.5 mm cylinder instead of the 108. Plus I wouldn't have had to have my case milled out to fit the 108 mm cylinder. The main reason is now I can't go back to a 105.5 or smaller without replacing the case. From what I've heard and read, the 105.5 has been pretty reliable, and still performs really well, especially with an aftermarket cam. Plus EHS Racing has many items to increase the power even more.
@@Alaska7506 I have a klx110 I bored the cases to fit a 178 cylinder and pax racing said I can always go back with a 143 cylinder. Might not be the same with the grizzly but I'd try it if I kept having to replace the head gasket.
I'm definitely interested in getting an older grizzly and trying that 795 kit with cam and clutch work. I'd like to get it as close to 70-80hp as possible :please enlighten me on what else can be done by EHS to get the most out of it
Have you tried copper spray on the head gaskets yet?
Are they still making this kit?
@Conner Dolfi. Trinity Racing went out of business, but BP racing sells big bore, and stroker kits. Although I would not recommend going with the 108mm bore. They should have never went that big on the bore, because the cylinder is just too close to the water jackets, which leaves very little surface for the head gasket to seal. I've had to replace my head gasket 8 to 10 times and tried about everything including ARP head studs and nothing worked. Plus the engine case has to be bored out aswell. The kits had just came out when I did mine, so there was really no feed back to go by back then. If I had to do over I would have went with the 105.5mm 734 with the plus 5mm or bigger stroker crank. My plus 5mm Hot Rods stroker crank has held up great and still well within specs after a hard 4,000 miles. Hope this helps!
Lol mine hasnt been bored and its been up to 83 MPH
impossible ;-)
snipezilla69 how is that possible??