**STICKY** Complete Raptor 700 FCI Installation - Page 2 - Yamaha Raptor Forum
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post #11 of 17 (permalink) Old 02-23-2014, 09:01 PM
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Good job! CONGRATS again on the win!! BO-HO, BO-HO!!
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post #12 of 17 (permalink) Old 02-23-2014, 10:31 PM
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Originally Posted by maxtrax View Post
Not running a filter can result in bugs, dust or sand to get into the crankcase as the piston goes up and down - creating pressure and vacuum.
I've got a 660 with no airbox lid and been wondering what crankcase filter I need... would that filter on your 700 fit my 660?

2004 YZ 250
Pro circuit platinum pipe, R304. Wiseco piston, boyesen reeds

2002 Raptor 660
Curtis Sparks X6, Foam Pro Flow Kit,
Alba Needles, Airbox lid removed, 160L-165R mikuni mains,
25 pilots, fuel screws 2 1/8 out, flipped rear link, clear tube mod
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post #13 of 17 (permalink) Old 02-24-2014, 06:22 AM Thread Starter
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I am pretty confident that they are the same size. If I remember the tube on the 700 was 1/2" ID.


2007 700-
11:1 Wiseco piston, +5 HR crank, Lucky700R ported head, HDD5050 cam, +3TB, DMC Force IV duals, MSD Blaster FI controller, UNI pod filters, ITP Beadlock rims + more

2001 Raptor-
100.5mm 11:1 Wiseco piston, balanced crank, trail ported head, Ferrea valves, stage 2 HC, Barker duals, UNI pod filters + more

2007 pitbike-
150cc Lifan engine, 26mm Mikuni carb, 32mm custom stainless steel exhaust, 12" motard tires, working on LED
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post #14 of 17 (permalink) Old 04-29-2014, 05:43 PM
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Yes, extremely good write up on the modification, hope it is working out real good for you....
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post #15 of 17 (permalink) Old 04-18-2015, 09:21 PM Thread Starter
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It has been some time since I received and installed the FCI. Due to being busy and the atv running well, it was not a high priority to have it re dyno tuned. Well, I was able to get it on a dyno today and was very impressed with the results!

Comparing the my last dyno sheet to this one it appears that the FCI took me from 63 hp to 66.5hp (3.5hp gain). I also added the DL700 timing curves onto my second run which added me another 2hp for a total of 68.5hp. I'm sure I could get another 1/2-1 hp by removing the quiet cores and spark arrestors but I need them to run the trails here.

The first dyno sheet shows the before (modquad intake, no timing adjustments) with open and quiet core exhaust.

The second dyno sheet shows the after (FCI intake) without timing and with DL700 timing adjustments.
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2007 700-
11:1 Wiseco piston, +5 HR crank, Lucky700R ported head, HDD5050 cam, +3TB, DMC Force IV duals, MSD Blaster FI controller, UNI pod filters, ITP Beadlock rims + more

2001 Raptor-
100.5mm 11:1 Wiseco piston, balanced crank, trail ported head, Ferrea valves, stage 2 HC, Barker duals, UNI pod filters + more

2007 pitbike-
150cc Lifan engine, 26mm Mikuni carb, 32mm custom stainless steel exhaust, 12" motard tires, working on LED

Last edited by maxtrax; 04-18-2015 at 09:32 PM.
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post #16 of 17 (permalink) Old 04-18-2015, 11:21 PM
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Really nice power gains and pretty good the increase with timing! Thanks for posting the sheets.

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2009 Raptor 700.
Powercommander 5 with DL700 Timing Curves, FCI with Box, HD5050, +5 Hotrods, Ported Head +2 +1 by Freez, CP 11:1, +3 Throttle Body, DMC Force 4, Lonestar Swingarm, Houser MGC LT +2.25, Custom Axis LT Triple Spring Triple Adjust with Plush Ride Upgrade Front, Custom Axis Double Spring Triple Adjust with Plush Ride Upgrade Rear, Hipertech 3, Kenda Bearclaw, Fasst Flexx, Precision Pro Steering Damper, Lonestar Axle.
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post #17 of 17 (permalink) Old 04-19-2015, 08:03 AM Thread Starter
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Anyone that wants the fuel maps can send me a PM and I can get them for you. If you have gotten it from me in the past they actually didn't change because the A/F ratios was so close already (likely due to not running spark arresters with the last tuning)
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