Any 795cc duner builds out there? - Page 2 - Yamaha Raptor Forum
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post #11 of 64 (permalink) Old 03-20-2018, 11:21 PM
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Originally Posted by mcclelland32 View Post
How those 795 set up in OR? I've seen your bike on Daniels Facebook a few times. Nice!
Different fuels, different exhaust, close ratio gearsets, varying throttle body sizes. They all perform well. A friend of ours has a long travel setup with a 795; one of the fastest bikes I’ve ever seen over whoops.

My hillshooter was pictured recently, it’s getting close to being done. Just need to make a couple brackets for plastic, then powder coat. Trying to ride a 90+ hp standard shift bike is a handful for sure.

He has my duner right now. It’s getting a 105.5 14:1, +2 head 5150, 54 tb, gonna run on 110.

2015 700Rse
Fci, PC5F/I, monster exhaust, +2 Cuervo head, HDD5150, 54mm throttle body, 105.5 14:1, +8 swingarm.
08 yfz450se
Sparks big core, k&n no lid, yz needle, yz timing mod, +4 swingarm.
“Peepshow”
Cuervo 870, lectron, msd, monster megs, single a-arm lightened chasis, +14 swingarm.
”Monarchy”
Cuervo 930, lectron, msd, db fab titanium chasis.
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post #12 of 64 (permalink) Old 03-21-2018, 12:09 AM
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Originally Posted by mcclelland32 View Post
Glamis is where I ride 90% of the time. How about you?
I live in Washington and have ridden lots of trails and mountains, then mostly sand dunes in Oregon. I went to Glamis last year in February and I'll be back. I'm thinking of becoming a snowbird.

My sand quad is a 727 stroker with Cuervo +1 head, HDD5050 and more. Around 70HP as a recreational duner, but faster then the guys I ride with. Now I'm looking for a SxS, not sure what brand though.

'19 Can-Am X3, RS Turbo, 172 HP, 1300x15 STU #2 paddle, Tribute front, DynaTec controller, cat delete, GTP blow off valve, custom flame wrap, Bent Metal windshield, Blazer wiper, rear window, 48in LED light bar, 14in LED light bar, GTP LED side lights, S3 shock tower brace, aluminum rear pull plate, 5K Badlands winch, dual batteries, 5ft lighted whips, Rugged radio and intercom, interior lights, rock lights, chase lights, over $200 additional switches, YES, street legal with dirt tires.
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post #13 of 64 (permalink) Old 03-21-2018, 08:45 AM Thread Starter
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Originally Posted by mcclelland32 View Post
From my conversations with Daniel (Cuervo) and others, I should not have issues with detonation running E85. I have seen the damage of detonation on a motor with 7hrs so I want to be no where near that.
That’s good. I’ve heard stories of pump e85 being pretty inconsistent, but I’ve never tried myself. I know he’s done several bikes on e85 recently.
I had the same thoughts about inconsistency with fuels since I'm in CA and pump gas just sucks here. I bought a E85 tester and have been testing it since December and every time it has been dead on E85.
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post #14 of 64 (permalink) Old 03-21-2018, 09:03 AM Thread Starter
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Quote:
Originally Posted by mcclelland32 View Post
How those 795 set up in OR? I've seen your bike on Daniels Facebook a few times. Nice!
Different fuels, different exhaust, close ratio gearsets, varying throttle body sizes. They all perform well. A friend of ours has a long travel setup with a 795; one of the fastest bikes I’ve ever seen over whoops.

My hillshooter was pictured recently, it’s getting close to being done. Just need to make a couple brackets for plastic, then powder coat. Trying to ride a 90+ hp standard shift bike is a handful for sure.

He has my duner right now. It’s getting a 105.5 14:1, +2 head 5150, 54 tb, gonna run on 110.
Have you thought of running C12 vs. 110? Have heard C12 is more consistent with power as the engine gets hot and 110 power slightly drops as temps rise. Just dropped a 14:1 Diamond piston from Cuervo in my sb/ss and will be tuning that to C12 and E85. She put down 71hp with a 11:1 CP piston. Making a few adjustments to see if I can squeeze out some more ponies.
I just started using the Diamond pistons
recently and very satisfied. CP pistons have sharp edges in the valve relief area and have been told to round those edges before installing as they can be possible hot spots where the Diamond pistons are rounded.
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post #15 of 64 (permalink) Old 03-21-2018, 09:17 AM Thread Starter
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Quote:
Originally Posted by mcclelland32 View Post
Glamis is where I ride 90% of the time. How about you?
I live in Washington and have ridden lots of trails and mountains, then mostly sand dunes in Oregon. I went to Glamis last year in February and I'll be back. I'm thinking of becoming a snowbird.

My sand quad is a 727 stroker with Cuervo +1 head, HDD5050 and more. Around 70HP as a recreational duner, but faster then the guys I ride with. Now I'm looking for a SxS, not sure what brand though.
Nice!
Glamis has turned into a SxS hangout. Wonder how much that is going to increase since Polaris bought the Glamis store. I go even during the off season as this is usually the best rides because there are no tracks to deal with. I'm plagued with carpultunnel and tendinitis so running through rail tracks destroys my arms. I have flex bars and fox float 3 evol rc2s up front and finally installed my anti-vibe stem and mako bar clamp that have been sitting in my toyhauler. Hoping the stem and clamp help out just a little more.
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post #16 of 64 (permalink) Old 03-21-2018, 02:19 PM
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Quote:
Originally Posted by mcclelland32 View Post
Have you thought of running C12 vs. 110? Have heard C12 is more consistent with power as the engine gets hot and 110 power slightly drops as temps rise. Just dropped a 14:1 Diamond piston from Cuervo in my sb/ss and will be tuning that to C12 and E85. She put down 71hp with a 11:1 CP piston. Making a few adjustments to see if I can squeeze out some more ponies.
I just started using the Diamond pistons
recently and very satisfied. CP pistons have sharp edges in the valve relief area and have been told to round those edges before installing as they can be possible hot spots where the Diamond pistons are rounded.
I hadn’t given it much thought. Might be something to look at, price depending. I already have one ridiculously expensive fuel to buy.

2015 700Rse
Fci, PC5F/I, monster exhaust, +2 Cuervo head, HDD5150, 54mm throttle body, 105.5 14:1, +8 swingarm.
08 yfz450se
Sparks big core, k&n no lid, yz needle, yz timing mod, +4 swingarm.
“Peepshow”
Cuervo 870, lectron, msd, monster megs, single a-arm lightened chasis, +14 swingarm.
”Monarchy”
Cuervo 930, lectron, msd, db fab titanium chasis.
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post #17 of 64 (permalink) Old 03-28-2018, 02:51 PM
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Originally Posted by DEZPERADO View Post
You'll definitely be in the 80's horse power range and around 60 torque. DMC are great pipes but big bore pipes may get you more power. With the stroker your corrected compression would be around 14.7:1 Be sure your rockers are clearanced for the stage 2 cam and have your crank trued and welded, and I always recommend the Cuervo oil mod and crank bearing support plate, (3rd time this week). You might look into a DLC wrist pin and 'Driveline Performance' clutch kit on ebay.
Crank bearing support plate? Any details on that?
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post #18 of 64 (permalink) Old 03-28-2018, 02:53 PM
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I would say ittl be low 80s. Going without the bearing support, better make sure your tune is dead on and you’ve got consistent fuel. Predetonation could be catastrophic.

I know of a few 795 duners out there. They’re set up a bit different and do mid 80s.
The cryo gears will take a beating. I’m running all billets in my 804, we’ll see how well they compare.
Who is making billet gears? Or is it complete tranny?
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post #19 of 64 (permalink) Old 03-28-2018, 04:34 PM
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Originally Posted by Freak700r View Post
Crank bearing support plate? Any details on that?
Cuervo Racing has them for $35 shipped. I have one left for $30 shipped. They add additional case strength and reduce stress around the crank bearing. I add one to every build, mild to wild.
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'19 Can-Am X3, RS Turbo, 172 HP, 1300x15 STU #2 paddle, Tribute front, DynaTec controller, cat delete, GTP blow off valve, custom flame wrap, Bent Metal windshield, Blazer wiper, rear window, 48in LED light bar, 14in LED light bar, GTP LED side lights, S3 shock tower brace, aluminum rear pull plate, 5K Badlands winch, dual batteries, 5ft lighted whips, Rugged radio and intercom, interior lights, rock lights, chase lights, over $200 additional switches, YES, street legal with dirt tires.
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post #20 of 64 (permalink) Old 03-28-2018, 08:43 PM
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Originally Posted by Freak700r View Post
Who is making billet gears? Or is it complete tranny?
I’m not sure who the manufacturer was. Daniel has a custom 4th gear in there as well.

2015 700Rse
Fci, PC5F/I, monster exhaust, +2 Cuervo head, HDD5150, 54mm throttle body, 105.5 14:1, +8 swingarm.
08 yfz450se
Sparks big core, k&n no lid, yz needle, yz timing mod, +4 swingarm.
“Peepshow”
Cuervo 870, lectron, msd, monster megs, single a-arm lightened chasis, +14 swingarm.
”Monarchy”
Cuervo 930, lectron, msd, db fab titanium chasis.
t web2007 is offline  
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