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Old 01-27-2007, 10:36 AM   #1
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Exclamation *** Twin Force Upgrades ***

Spent a lot of time on the Kyosho sight collecting part#'s from all 777's, 7.5's, and Inferno's. Most will work cause they are common between all the buggies/truggies/trucks. Pretty sure everything on this list works on a Twin.
Big thanks to ALL who have contributed!!

Be sure to check out post #11 & #35 for non-Kyosho parts that will work too!!
Post #62 has Twin trany part #'s and brake down. Post #78 contains CVD(U joint) info.
17mm adapters at the bottom of this post.



Mad Force helical set #MA050(13/43)

Helical ring: 43t #IS007

and pinion: 10t #IS008

This part supersedes to IS102

Straight ring: 43t #IF106


and pinion: 13t #IF21

Bevel set, spider and side gears(4 spiders) #IF102

Bevel Shaft #97001(4x27mm/6pcs)

Diff case #IF103

Complete diff w/ steel ring gear #IF343

Part Number Description Qty. in pkg.
BRG005 8 X 16 Ball Bearing - 2
BS107 Bevel Shaft - 2
IF30-1 Diff Case Packing - 1
IF39 1.6 x 14mm Shaft - 2
IF101 Differential Shaft Set - 2
IF102 Differential Bevel Set - 4 (gears and washers)
IF103 Differential Case - 1
IF106 38mm Bevel Gear 43t - 1
ORG06 O-Ring - 2
1149 F/H Tapping Screw - 4
1162 Set Screw - 1

Shocks and Springs

#BSW73 (2)(Twin/Mad Force turbo shocks)
(these are aluminum rear shocks)

I read these rear shocks are a little longer than stock with a 3.5mm shaft. Not sure the difference between the two?
Shock set (2) #IF326B

#IFW141 (2)

These go with both#IFW141/#IF326B shock
green #IFW33G

white #IFW33W

blue #IFW33BL

red #IFW33R (this is the stock Twin spring)

These are a new long spring. "For a progressive feel" Kyosho
yellow #IF336-1616 (16-1.6/L=98mm)

orange #IF336-1716 (17-1.6/L=98mm)

green(soft) #IF336GR

white(hard) #IF336W

blue(?) #IF336BL

Ball ends
straight(12) #1296

offset #IS053

flange ball(4)#IF313

ball(10) #W0202

Ball(10) #BS46cheaper

Pivot Ball (3) #IFW134

M3x6 tapered washer(10) #W0141Vkinda spendy$$$

7.8mm balls, same as stock shocks


Short side #BS45

Long side #MA024

Drive #IF143

Twin, Burns/Inferno #BS19
Inferno GT,777 #IF6B?

17mm adapters


IFW326BL (narrower than standard IFW107B)

IFW327BL (6mm wider than standard)

IFW328BL (9mm wider than standard0

Add what you all have found and correct from my list.
Hope this helps everyone.

Last edited by Bart bender; 06-24-2011 at 08:20 PM.
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