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KTM RC 390 Technical Section
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Engine and Technical Discussion
Discussion of the KTM RC 390 Engine and Powertrain.
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Wiring harness trim
mdabyo
Mar 2, 2017
Replies
8
Views
2K
Saturday at 8:21 AM
Duke2211
Is this normal? KTM RC 390's fuel pump has a odd priming sound like it is sucking air. Lots of tiny bubbles in tank.
AryanWinters
Apr 15, 2024
Replies
0
Views
74
Apr 15, 2024
AryanWinters
S
Need Help
Can I use a 2014 Ignition cover on a 2016?
Scoopy04
Apr 13, 2024
Replies
3
Views
150
Apr 14, 2024
1JZSupra
A
RC frame, 690 engine
abyzfr6
Sep 7, 2019
Replies
2
Views
2K
Apr 12, 2024
rs390
R
Anyone have suggestions for aftermarket fuel pumps? Kemso, QFS fuel pumps?
AryanWinters
Apr 8, 2024
Replies
0
Views
99
Apr 8, 2024
AryanWinters
Installed new exhuast and air filter. How do I reset the bike to adapt to the new mods??
AryanWinters
Mar 27, 2024
Replies
4
Views
282
Apr 6, 2024
AryanWinters
K
Dreaded fan failure....
Kiwibrett
Jan 12, 2019
Replies
13
Views
2K
Apr 5, 2024
B7ACKTHORN
T
Crankcase breather questions
TT2
Dec 26, 2023
Replies
4
Views
467
Apr 5, 2024
B7ACKTHORN
Ignition coil upgrades
Falkon45
Sep 5, 2018
Replies
5
Views
2K
Apr 5, 2024
B7ACKTHORN
M
'Mayonnaise' in breather tubes. Gasket problem?
Maddog Reynolds
Jun 29, 2017
2
Replies
21
Views
4K
Apr 5, 2024
B7ACKTHORN
S
Clutch Life
sturge
Oct 23, 2015
Replies
11
Views
6K
Apr 5, 2024
B7ACKTHORN
N
Clutch issues in 2017 RC 390
Narayanan
May 12, 2018
Replies
16
Views
5K
Apr 5, 2024
B7ACKTHORN
D
Cheap Slip On Mufflers
davoboy
Mar 22, 2024
Replies
1
Views
185
Apr 5, 2024
B7ACKTHORN
Cam-chain lifespan.
KTMLaos
Mar 18, 2024
Replies
1
Views
124
Apr 5, 2024
B7ACKTHORN
S
2022 RC390 engine stalls while downshifting
Slliccnut
Apr 1, 2024
Replies
0
Views
163
Apr 1, 2024
Slliccnut
S
C
RC 390 2015 - Big flat spot at around 5000rpm - Help please
cleds
Aug 20, 2019
Replies
1
Views
857
Mar 13, 2024
dhynz
D
Fault codes P0134 & P0117
skidrc
May 22, 2023
Replies
2
Views
1K
Feb 24, 2024
skidrc
N
Rounded shim edges on 2016 model
nieks
Feb 18, 2024
Replies
0
Views
159
Feb 18, 2024
nieks
N
J
Question
2017 RC390 Jumping out of 5th gear under hard acceleration?
Juniormin
Jan 21, 2024
Replies
2
Views
505
Jan 29, 2024
KTMLaos
Need Help
Bike shuts off at idle, and feels like it has two powerbands
Hubn
Oct 11, 2022
2
Replies
27
Views
2K
Jan 12, 2024
Boardinfourlife
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